cast iron swing check valve

进出口专业英语词汇... ... cast iron straight pipe 铸铁直管 cast iron swing check valve 铸铁回水阀 cast iron trap 生铁弯管 ...

... 旋起式止回阀（时运通） JIS F7333B 法兰铸铁直角消防阀 Cast iron swing check valve 旋起式止回阀（时运通） JIS F7358 ...

-Shipping material supply services ... 船用工作救生衣 Marine Work Lifejacket 铸铁旋启式止回阀 Cast Iron Swing Check Valve ...