... 除油沫器；撇油器{捞油船} oil skimmer 给油管 oil supply pipe 运油船 oil tanker ...
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O oil supply pipe 供油管道
supply and back oil pipe 烟道及烟囱
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Oil supply is made through drilled channels or pipe thread.
石油供应是通过渠道或钻管螺纹。
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