徐汇区排气管卡箍法兰
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徐汇区排气管卡箍法兰(徐汇区排气管卡箍法兰专卖店)
blowout valve 排气管, 排出阀boiler check valve 锅炉止回阀boiler feed valve 锅炉给水阀bonnet valve 帽状阀bottom drain valve 底部放泄阀bottom valve 法兰Hoop卡箍Inside thread内螺纹Jack...
jdl008 2024.10.23 5浏览 0
blowout valve 排气管, 排出阀boiler check valve 锅炉止回阀boiler feed valve 锅炉给水阀bonnet valve 帽状阀bottom drain valve 底部放泄阀bottom valve 法兰Hoop卡箍Inside thread内螺纹Jack...
jdl008 2024.10.23 5浏览 0