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- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- A coal fell from the fire and burned the mat. 一块煤炭从火中掉出来，烧坏了地席。
- Abnormal Gas Activity and Its Control in a Coal Face 一个采煤工作面的异常瓦斯活动及其治理
- This old coal face is to be reworked next week. 这个旧的采煤工作面下周将重新开采。
- A coal miner's work is not a bed of roses. 煤矿工人的活计可不轻松。
- He has worked at the coal face for eight hours. 这矿工在工作面上已经干了八小时了。
- A coal miner's job is dirty and dangerous at best. 即使是在最好的条件下，煤矿工人的工作也是又脏又危险的。
- There is a coal mine near my home town. 我的家乡附近有一个煤矿。
- He is busy with proving up a coal deposit. 他正忙于勘探煤层。
- Method of how to Speed up Stable Cutting and Support Setting in a Coal Face 加快综采面切眼掘进速度和支架安装速度的方法
- They have a coal stove which is really old. 他们有个非常旧的煤炉。
- Practice of Pillar Leaving for Gas Drainage At Upper Opening of a Coal Face 采煤工作面上出口留煤柱抽放瓦斯的实践
- Then a coal miner came by carrying a load of coal. 然后一个煤矿工人扛着一袋煤经过。
- We decided to open out a coal mine near the city. 我们决定在城市附近开发一煤矿。
- A coal miner's job is not a bed of roses. 煤矿工人干的可不是舒服惬意的工作。
- A coal mining boom has swept across north China. 煤炭行业的繁荣,在华北到处可见。
- It is a main part of the aspirating system of the coal face. 设计的任务主要是对喷雾泵进行设计并进行必要的校核。
- A coal fell from the fire and burned the carpet. 一块煤从火炉上掉了下来, 烧着了地毯。
- A passage or gallery in a coal mine. 通道煤矿中的通道或水平巷道
- Affection is a coal that must be cooled. 第三篇章爱，和炭相同，烧起来，得想办法叫它冷却。
