... 起动空气截止阀 starting air stop valve 法兰铸钢截止阀 flange cast iron stop valve 压力截止阀 pressure stop valve ...
基于64个网页-相关网页
... fire valve 亡水阀 flange cast iron stop valve 法兰铸铁截止阀 flange cast steel sluice valve 法兰铸钢闸阀 ...
基于44个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress