... 旋转管(花饰)/弯管 curved tubing 旋转刮管器 rotary scratcher ; rotating scraper 旋转上管扣 spinning ...
基于52个网页-相关网页
... rotating scan mirror 旋转扫描镜 rotating scraper 旋转刮管器 rotating shut-in tool 旋转关井工具 ...
基于46个网页-相关网页
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rotary scratcher
rotating scraper
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