“light-weight pipe”的概念、定义、翻译、参考文献-科学参考

单词	light-weight pipe
释义	light-weight pipe 轻质管子
随便看	union-hose connector Unionidae union intersection principle unionized unionized gas union joint union lever union link union-melt powder union-melt weld unionmelt welding union melt welding union metal union mortgage clause union nipple union nut union of sets union of symbol union operator union purchase system union reducer union ring union screw union-screw coupling union(-screw) coupling

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