right angle crank

网络释义

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2.	直角拐肘铁路词汇7 - drj08的日志 - 网易博客 ... 转向杆 deflecting bar 直角拐肘 right angle crank 可调拐肘 adjustable crank ... blog.163.com
3.	直角拐轴 http://www.ptsgi.com/chinese... ... "直角形分厘卡尺"," Square-micrometer caliper" "直角拐轴"," Right angle crank" ... www.guandang.com