Threaded pipe fitting in malleable cast iron.
可锻铸铁上的螺纹管配件
Threaded pipe fittings in malleable cast iron
可锻铸铁的加螺纹管道配件
a clamp for holding pipe to be cut or threaded.
把管切断或拴起的夹子。
Threaded pipe fittings in malleable cast iron and cast copper alloy
可锻铸铁和铸铜合金的螺纹管配件
Fire hydrant system and sprinkling system should be connected by galvanized steel pipe of threaded connection.
消火栓系统与喷淋系统管材采用热镀锌钢管丝扣连接。
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