flat sealing ring中文什么意思

平压密封环

• flat:    adj. (flatter; fla ...
• sealing:    n. 猎海豹业。
• ring:    vt. (rang rung ) 1 ...

例句与用法

1. Plug screws and flat sealing rings for welded - in screw caps for filling and sounding pipes
   充料管和探测管用焊接盖板螺纹盖的螺塞和扁密封圈