... 夹套阀 jacketed valve 非旋转式阀- non-rotary valve 管子(按标准制造的配管用管) pipe() ...
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... 锥管罗纹弥缝焊毗连 seal-elded taper pipe threaded joint 非扭转式阀 non-rotary valve 斜接弯管 mitre bend ...
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·2,447,543篇论文数据,部分数据来源于NoteExpress
Use of professional rotary valve, strong expansion foam is a non- removal of automotive air conditioning internal professional cleaning agent.
采用专业旋转阀门,强力膨胀泡沫,是免拆汽车空调内部的专业清洗剂。
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