• 2022-05-27 问题

    内径百分表的测量范围有()等。 A: (10~18)mm B: (18~35)mm C: (35~50)mm D: (50~100)mm E: (100~160)mm

    内径百分表的测量范围有()等。 A: (10~18)mm B: (18~35)mm C: (35~50)mm D: (50~100)mm E: (100~160)mm

  • 2021-04-14 问题

    钢轨侧面磨耗在距踏面(标准断面)下测量: 14 mm处|14 mm范围内|16 mm处|16 mm范围内

    钢轨侧面磨耗在距踏面(标准断面)下测量: 14 mm处|14 mm范围内|16 mm处|16 mm范围内

  • 2022-06-04 问题

    滚动轴承代号7307C表示轴承内径尺寸为()mm A: 7 B: 14 C: 35 D: 70

    滚动轴承代号7307C表示轴承内径尺寸为()mm A: 7 B: 14 C: 35 D: 70

  • 2022-06-11 问题

    What was another contribution by Edison to the movies() A: He introduced the 35 mm standard machine to the world. B: He introduced the 35 mm as the international standard film width. C: He created a 35 mm standard device for showing movies. D: He created his own standard devices for showing 35 mm film.

    What was another contribution by Edison to the movies() A: He introduced the 35 mm standard machine to the world. B: He introduced the 35 mm as the international standard film width. C: He created a 35 mm standard device for showing movies. D: He created his own standard devices for showing 35 mm film.

  • 2022-05-30 问题

    ‎详图索引符号中的圆圈直径是( )​ A: 8 mm B: 10 mm C: 12 mm D: 14 mm

    ‎详图索引符号中的圆圈直径是( )​ A: 8 mm B: 10 mm C: 12 mm D: 14 mm

  • 2022-11-02 问题

    当抹灰层厚度大于或等于( )时,应采取加强措施。 A: 25 mm B: 30 mm C: 35 mm D: 40 mm

    当抹灰层厚度大于或等于( )时,应采取加强措施。 A: 25 mm B: 30 mm C: 35 mm D: 40 mm

  • 2022-06-05 问题

    详图编号常注写在直径为()的粗实线圆内。 A: 10 mm B: 12 mm C: 14 mm D: 16 mm

    详图编号常注写在直径为()的粗实线圆内。 A: 10 mm B: 12 mm C: 14 mm D: 16 mm

  • 2021-04-14 问题

    齿轮m =3,z=35,齿顶圆直径等于 mm,齿根圆直径等于 mm,分度圆直径等于 mm

    齿轮m =3,z=35,齿顶圆直径等于 mm,齿根圆直径等于 mm,分度圆直径等于 mm

  • 2022-06-07 问题

    35、尺寸(40±0.02)mm中,+0.02mm称为

    35、尺寸(40±0.02)mm中,+0.02mm称为

  • 2022-07-25 问题

    轨距是两股钢轨轨头项面下范围内两钢轨作用边之间的最小距离() A: 14 mm B: 15 mm C: 16 mm D: 18 mm

    轨距是两股钢轨轨头项面下范围内两钢轨作用边之间的最小距离() A: 14 mm B: 15 mm C: 16 mm D: 18 mm

  • 1 2 3 4 5 6 7 8 9 10