Lukas hlau huv: qhov ntev, nta ntawm daim ntawv thov

Dej sib txuas lus, su sab nrauv, tsis saib zoo heev. Mus nkaum lawv, tus tswv ntawm lub ntau yam txhais tau tias siv tau. Ib tug ntawm lawv tej zaum yuav daug hlau kav dej. nws qhov ntev yog sib txawv heev. Yog li ntawd, lawv yuav haum rau hauv tej chav dej sab hauv qhov chaw.

lub sij hawm daug

Hom thiab ntau thiab tsawg ntawm kab mob manholes ntawm hlau, yas thiab tshwj xeeb cov khoom siv rau nrag txaus. Txhua yam ntawm lawv nws muaj nws tus kheej zoo. Hlau hatches feem ntau cov tswv yim thiab check. Lawv yog tsim rau laminating tus nto vuas.

Qhov tseem ceeb tshaj zoo ntawm lub qhov rooj yog nws invisibility. Nws yog ib lub hlau hom tom qab tsevneeg mus rau qhov chaw ntawm lub pobzeb kawg them sai sai. Lawv yeej yuav tsis pom.

Close dej sib txuas lus, thiab ib tug ntau yam ntawm pab kiag li lawm tsim manhole hlau kav dej. Nws ntev yog matched rau qhov loj ntawm lub node hais tias nws yuav tsum them.

Tus ntaus ntawv ntawm hlau hatches

Qhov luaj li cas ntawm cov hlau fittings daug cheeb tsam nyob rau hauv dej mov ua ke. Yog hais tias nws yog me me, siv lub qhov rooj rau cov hlau nplaum. Cov kev muag khoom ntawm uas twb muaj lawm cov khoom ntev thiab dav ntawm 10 cm. Ntxiv mus, qhov luaj li cas nce txhua 5 cm nyob rau hauv ntev thiab nyob rau hauv dav. Qhov loj tshaj hatches mus txog ib tug loj ntawm 100x100 cm. Qhov no yog ib tug txheej txheem me me. Nws yog ua tau mus yuav cov khoom rau txim.

Rau tebchaw ntawm ib tug loj tus naj npawb ntawm kev sib txuas lus nrog metering dej tau ntawm cov khoom siv thiab lwm yam khoom yuav tsum tau muas hlau kav dej manholes loj heev (daim duab qhia hauv qab no). Lawv lub qhov rooj yog fastened mus rau lub hinges.

Tsaug rau no system yuav muaj zog txaus thiab yuav zom tsis tau nyob rau hauv lub ceeb thawj ntawm lub vuas. Hatches kav dej hlau, qhov ntev ntawm uas yog loj txaus, thiab lub qhov rooj no kaw cov hlau nplaum yuav zom. Yog hais tias lub qhov rooj yog yuav tsum tau pom, thiab ib tug heev loj qhov chaw, koj yuav tsum xyuam xim rau cov looped hom.

Zoo thiab tsis zoo

Muaj tej yeeb yam zoo kav dej hlau hatches, qhov ntev (duab qhia hauv qab no) uas yuav tsum yoog mus rau ib tug aperture nyob rau hauv lub phab ntsa.

Sib Nqus variations ntawd yog kuj pheej yig. Qhov no yog lawv qhov tseem ceeb kom zoo dua. Txawm li cas los, nrog cov kaw mechanism ntawm lub qhov rooj rau cov hlau nplaum, lawv yuav tsis tshua tau invisible. Loj loj thiab tsis muaj cov tsiaj. Yog hais tias lub chav tsev phab ntsa pleev xim rau, tsis muab tshuaj txhuam tshaj ib nplais, qhov kev xaiv no daug haum fwjchim luj kawg nkaus.

Ib qho hatches yog heev loj. Tej zaum lawv mus txog ib tug loj ntawm 1000x1000 hli. Txawm muaj xws li ib tug loj cheeb tsam yuav muab tshuaj txhuam tshaj cov vuas. Tus tsim yuav mas tus luj ntawm cov vuas. Txawm li cas los, tus nqi ntawm tej khoom yog ho siab tshaj nyob rau hauv lub ntej embodiment.

Lub qhov ntev ntawm lub qhov chaw nyob ib ncig ntawm lub manhole

Xaiv daug hlau kav dej, qhov ntev ntawm uas sib haum mus rau tus kais los ua ke, nws yog tsim nyog, noj mus rau hauv tus account lub surrounding tej yam kev mob.

Zawv zawg hatches siv qhov twg nyob rau hauv pem hauv ntej ntawm lawv tsis muaj txaus qhov chaw rau qhib. Rau lawv yuav tsum tau muaj ua ntej ntawm txog 12 cm. Yog hais tias qhov kev ncua deb ntawm lub qhov rooj mus rau lub sab hauv ntawm cov kev kawm txawm me me, thov folding hom.

Rau cov lus qhib, uas yog ntau tshaj li 70 cm nyob rau hauv dav, yuav tsum tau siv ob-qhov rooj daug. Qhov no saib kuas durability thiab yuav tiv thaiv tau cov sagging qhov rooj.

Nyob rau hauv cov ntaub ntawv ntawm phab ntsa thiab daug mosaic, nws yog tsim nyog los yog xam cov loj ntawm lub qhov rooj thiab rau correlate nws nrog cov kho kom zoo nkauj me me.

Yog hais tias tus tswv tau xaiv tag cov ntaub ntawv uas marble los yog lwm yam pob zeb, yuav tsum tau yuav cov khoom ntawm kho kom zoo muaj peev xwm. Cov tib yam khoom yuav tsum tau siv rau keeb ntau tshaj 60x120 cm.

Tom qab nyeem ntawv no yog ib feem ntawm lub sab hauv lub chav da dej, daug hlau kav dej, cov khoom no ntau thiab tsawg pab yuav tuaj tos yooj yim. Lawv yuav tsum phim lub aperture nyob rau hauv lub phab ntsa. daug loj los pab txiav txim nws hom. Tsis tas li ntawd tseem ceeb luag hauj lwm txojkev khoom. Tag nrho cov nuances muab los xav thaum xaiv huv manhole hlau chav dej.