... 换向阀diverting valve,reversing valve 热膨胀阀thermo expansion valve 自动封闭阀self-closing gate valve ...
基于331个网页-相关网页
... 节流方式Flow control 热力膨胀阀Thermo expansion valve 保护装置Protector ...
基于19个网页-相关网页
... 承插焊法兰 socket elding flange 加热膨胀阀 thermo expansion valve 夹石棉织物的橡胶 elastomer ith asbestos fabric insertion ...
基于17个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress