leak-off pipe造句

例句与造句

1. Leak - off for double packing ( optional ) . a lantern ring and leak - off pipe are provided for removal of leakage , if any , from lower packing set
   双重包装（备选）的破裂点。如果有，则用套环和破裂管来更换底部包装泄漏部分。
2. It's difficult to find leak-off pipe in a sentence. 用leak-off pipe造句挺难的