threaded portion

网络释义

1.	套管的螺纹部滚动轴承技术词汇... ... threaded pin with tapering end 带锥头的螺纹销 threaded portion 套管的螺纹部 thread gauge 螺纹量规 ... blog.sina.com.cn
2.	螺纹部分美英加陆军规格_馆档网 ... "螺纹部分"," threaded part" "螺纹部分"," threaded portion" "车螺纹"," threading" ... www.guandang.com

释义:

套管的螺纹部,螺纹部分

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