The utility model discloses a hydraulic revolving safety door used at mine entrance and belongs to the technical field of equipment for mine safety.
本实用新型公开了一种煤矿井口用的液压旋转式安全门，属于煤矿安全 设备技术领域。
One spring afternoon, torrential rains washed down the hillside, eroding the entrance to their mine .
一个春天的午后，暴雨冲刷着山坳，侵蚀着矿洞的入口。
I put mine just inside the entrance to the second area right by the lake.
我放置我的储藏室在第二入口处的那个湖右边。
For days after the entrance to the mine collapsed.
矿井的入口处坍塌了，矿工在地底下受困好几天。
Will you believe the entrance to the mine was on the hill behind the boys?
你相信其入口就在男孩后面的山里吗？
Once upon a time in a deep forest there was an entrance to a dark mine.
曾经有一个时期在森林深处有一个黑暗矿井的入口。
Yad entrance mine market both showed a high consolidation positive trend.
连日来进口矿市场皆呈现出高位盘整向上的趋势。
Then he blocked the entrance to the mine.
然后，他锁上金矿大门。
'Mine has been a very different fate,' said the iron pot, which stood by the matches; 'from my first entrance into the world I have been used to cooking and scouring.
'矿一直是一个非常不同的命运，'之称的铁壶，它由站比赛，从我第一次进入'到I已被用于烹饪和精练的世界。
The miners were trapped underground for days after the entrance to the mine collapsed.
矿井的入口处坍塌了，矿工在地底下受困好几天。
This text discusses several approaches to improve mine integrated unilateral entrance combining the actual state of pair mining group.
本文结合双矿集团实际状况论述了提高综合单进的途径。
There was no obvious difference in the cumulative incidence of pneumoconiosis by exposure time between pure digging and pure mining workers with the year of mine-entrance after 1970(P>0.05).
纯掘工种与纯采工种各工龄段的 工龄别尘肺患病率之间，自1970年入矿年代以后差异无显著性（P>0.05）。
There was no obvious difference in the cumulative incidence of pneumoconiosis by exposure time between pure digging and pure mining workers with the year of mine-entrance after 1970(P>0.05).
纯掘工种与纯采工种各工龄段的 工龄别尘肺患病率之间，自1970年入矿年代以后差异无显著性（P>0.05）。
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