名词短语
中文翻译：多级钻杆沉放器
同义词：
['多级钻杆，多级钻具例句：1. The drilling operation was carried out using a multiple-drill shaft sinker.（钻井作业使用了多级钻杆沉放器。）']
例句：
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1. The drilling operation was carried out using a multiple-drill shaft sinker.
钻井作业使用了多级钻杆沉放器。
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2.The engineer used the multiple-drill shaft sinker to drill through the rock formation.
工程师使用多级钻杆沉放器钻穿了岩石层。
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3.The multiple-drill shaft sinker helped the team to achieve better drilling results.
多级钻杆沉放器帮助团队取得了更好的钻孔结果。