坑道

They requested sappers to mend bridges or remove mines.

他们要求坑道工兵修桥或拆雷。

The pillars sustain the roof of the pit.

坑道顶儿用柱子顶着.

A mole mines its way.

鼹鼠挖坑道.

They are ventilating the sap of a coal mine.

他们正在使煤矿坑道通风.

Objective Study on radon pollution in tunnel and protection from the radiation.

目的研究坑道内氡浓度及工作人员的氡防护.

They have had the tunnel shored up with concrete.

他们已经叫人用水泥把坑道加固.

Because of no natural ventilation, semi-closed tunnel was most seriously polluted.

半密闭坑道未形成自然通风, 所以真菌数最高.

They pushed forward saps into No Man's Land.

他们把坑道向无人地带推进.

Spore Mines can no longer enter Ravener Tunnels and Webway Gates.

孢子雷不能进入坑道和传送门.

The roof of the tunnel was supported by wooden props.

坑道顶用木柱支撑.

Some larvae extend the galleries to form niches.

许多幼虫将坑道延伸扩大成壁龛.

The tunnel contracts to a narrow passageway as you go deep.

再往里走,坑道缩小成了一条窄窄的通道.

General construction, utility poles, railway sleepers , props temporary construction materials and pulp.

一般构造材 、 电线杆 、 枕木、坑道支撑材、纸浆材.

The miner crossed through the narrow tunnel, hands in front.

矿工手放在前面,从狭窄的坑道里爬了出来.

Guide: This was the army's tunnel for war preparedness.

导游: 这是陆军的战备坑道.