barge drilling
常见例句
- A self-contained combination drilling rig and floating barge, fitted with long support legs that can be raised or lowered independently of each other.
鑽機和浮動駁船結郃的自給式裝置，裝備有長的支撐腿，能夠獨立的起陞和下放，而不會互相乾擾。
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