1.
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。
2.
How to Stabilization Finished Product Iron Minerals Grade After Surface Mining Pit is Closed
露采区闭坑后如何稳定成品铁矿石品位
3.
Enlightenment from Examination of Geological Report on Closed pit of Pucheng Copper Mine;
浦城铜矿闭坑地质报告审查中得到的启示
4.
The Research of Groundwater Pollution Prediction and Prevention after Haizhou Open-pit Mine Closed
海州露天矿闭坑后地下水污染预测与防治研究
5.
study on underground water distributionbw after Haizhou surface mine closed
海州露天矿闭坑后地下水再分布规律研究
6.
Closed Construction Technique for Large-Area Deep Foundation Pit in Soft Foundation Workshop
软土地基厂房内大面积深基坑闭口施工技术
7.
"Then they got a stone and put it over the mouth of the hole, and it was stamped with the king's stamp and with the stamp of the lords, so that the decision about Daniel might not be changed."
有人搬石头放在坑口，王用自己的玺和大臣的印，封闭那坑，使惩办但以理的事毫无更改。
8.
Analysis of Microbial Community Composition in Obturating Acid Mine Drainage
封闭环境下酸性矿坑水中微生物生态多样性的研究(英文)
9.
The conservative Bernese public were not initially enthusiastic about closing the historical bear pit, especially under pressure.
保守的伯尔尼民众起初对关闭古老的“熊坑”并不热心，特别是面临压力的时候。
10.
Marked by pits.
有坑洼的，有坑洞的
11.
Fill in sunken places with stones
用石块填平坑坑洼洼
12.
ventilation and drainage of exploratory tunnel
坑探勘探坑道通风排水
13.
Mind the holes in the road.
当心路上的坑坑洼洼。
14.
tongue-and-groove pass
闭口[直轧闭]孔型
15.
On Excavation Construction Technique of Soft Soil Foundation Pit with Super Deep Foundation "Pit-in-pit"
带有超深坑中坑的软土基坑挖土施工技术
16.
RESEARCH ON EXCAVATION DEFORMATION CAUSED BY SOIL REINFORCEMENT OUTSIDE EXCAVATION IN SOFT SOIL
软土基坑坑外加固对基坑变形的影响分析
17.
Eleven, twelve, dig a dale.
十一，十二，挖个坑。
18.
surveyor's level
(矿坑)测量水准器