一件式女泳装比比基尼泳装更衬人。
一件式衬垫的结实耐用的氨基甲酸乙酯阀座部分也覆盖了阀门内部表面。
The robust urethane seat portion of the one-piece liner covers the interior of the valve.
这种阀门的进口和阀体为一件式铸件，确保了阀瓣，阀座和芯轴的对齐和平稳运动。
The valve inlet and body are one integral casting assuring proper alignment of disc, seat and spindle for smooth action.
应用推荐