flat sealing ring造句
造句与例句手机版
- 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 - It's difficult to see flat sealing ring in a sentence. 用flat sealing ring造句挺难的
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