steel tapping hole

  • 出钢口

steel tapping hole的用法和样例:

例句

  1. It has a rigid steel mouth,and deficient tenacity.The inferior Jian which I've ever seen is moldering and big.
    钢口硬度有余,韧性不足,我所见到的次类剑大多崩口多而且大。

steel tapping hole的相关资料:

临近单词

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