The original introduced some respects of the quality control in shaft pit shaft building.
本文介绍在立井井筒施工中质量控制方面的一些情况。
Rescue officials say the man fell down the shaft and landed in the elevator pit.
救护人员称该名男子从升降机井上摔下来，坠落到电梯井坑内。
Rescue officials say the man fell down the shaft and landed in the elevator pit.
救护人员称该名男子从升降机井上摔下来，坠落到电梯井坑内。
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