Some drilling rig cannot drill Wells over the jacket and the jacket cap for drilling is a good solution for such problem.

利用钻井用导管架帽(简称钻井帽)进行钻井作业是解决某些钻井船不能悬跨导管架钻井问题的好方案。

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They wore some 30 different uniform styles, each with a different color piping on the jacket and cap, and decorated with elaborate gold or silver-plated wire on the shoulder board.

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He was wearing a dark jacket, black baseball cap, blue jeans and dark shoes.

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The other had a hooded sweatshirt, black jacket and a white baseball cap turned backward.

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