CARXDN300复合式排气阀cARxDN3000复合式排气阀安装在泵出口处或配水管线中，用来排除集积...球型污水止回阀球型污水止回阀又称单向阀，逆向阀。其主要作用是防止管路中的介...500X泄压/持压阀500X泄压/持压阀主要用于消防或其他供水系统中，以防止系统超压或...HH48X微阻缓闭蝶式止回阀HH48X微阻缓闭蝶式止回阀具有结构新颖、体积小、重量轻、流体阻力...隔膜快开排泥阀隔膜快开排泥阀是一种由液压源或气动源作执行机构的角型截断类阀...波胆比分DALIANSHISHOUDONGDIAOJIEFAJIZISUOSHOUDONGDIAOJIEFAZHUYAOYONGYUCHENGSHIJIZHONGGONGRE，QUYUGONGRE，XUNHUANSHUIGONGCHENG，REDIANCHANGGUANWANGHEZHILENGKONGDIAODENGGONGCHENGZHONG，JUYOUJIEZHI、JIELIUHEDIAOJIELIULIANGDEZUOYONG，KEQUDAIJIELIUKONGBAN，SHIYIZHONGKEGAIBIANKONGJINGDEJIELIUZHUANGZHI。
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