词语ball bearing steel
解释滚柱轴承钢
词性名词
ball bearing steel〔名词〕滚珠轴承纲,滚珠轴承钢详细»
ball bearing steel〔名词〕滚珠轴承钢详细»
ball bearing steel滚珠轴承钢详细»
滚柱轴承钢ball bearing steel;roller bearing steel详细»