常用机械专业术语中英文对照阿基米德蜗杆 Archimedes worm 安全系数 safety factor; factor of safety 安全载荷 safe load 凹面、凹度 concavity 扳手 wrench 板簧 flat leaf spring 半圆键 woodruff key 变形 deformation 摆杆 oscillating bar 摆动从动件 oscillating follower 摆动从动件凸轮机构 cam with oscillating follower 摆动导杆机构 oscillating guide-bar mechanism 摆线齿轮 cycloidal gear 摆线齿形 cycloidal tooth profile 摆线运动规律 cycloidal motion 摆线针轮 cycloidal-pin wheel 包角 angle of contact 保持架 cage 背对背安装 back-to-back arrangement 背锥 back c
