advance-to-return time ratio

advance - 英汉词典 ... advance 预付 advance-to return-time ratio 急回系数 advance-to return-time ratio 行程速比系数 ...

绝对尺寸系数 ... ... advance-to return-time ratio 急回系数 advance-to return-time ratio 行程速比系数 air spring 空气弹簧 ...

机械英语 ... quick-return mechanism 急回特性 advance-to return-time ratio 急回运动 ratchet 棘轮机构 ...