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quickcouplingsassemblywithmaleandfemaleconnectors,weldingnecktype,quickcouplingsassemblywithmaleandfemaleconnectors,weldingnecktype,withdustcupanddustcap,materialss-316l关于不锈钢的

题目详情
quick couplings assembly with male and female connectors,welding neck type ,
quick couplings assembly with male and female connectors,welding neck type ,with dust cup and dust cap,material ss-316l 关于不锈钢的
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答案和解析
带有插头或插孔连接器的快速接头组装,对焊式,集尘杯和防尘帽,材料SS -316L