问题
判断题
导轨配合间隙过小，会增加运动阻力，加快导轨磨损.
答案
参考答案：对
搜题请搜索小程序“爱下问搜题”
导轨配合间隙过小，会增加运动阻力，加快导轨磨损.
参考答案：对
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B: 1 Is this your pencil case? A: 2 That's my pencil case. And that's my ID card. B: All right. 3 ? A: Sarah Lee. B: Can you spell your name? A: 4 S-A-R-A-H, Sarah. L-E-E, Lee. B: Here you are. A: 5 B: You're welcome. 1._____2._____3._____4._____5._____ |