弹性圈柱销联轴节中弹性圈与柱应为过盈配合,与半联轴节销孔间隙不大于()mm。
A、1
B、2
C、3
D、4
参考答案:B
---I’m sorry I ______ my homework at home.
--- Don’t forget ________ it to school tomorrow.
A.forgot, to take
B.left, to bring
C.forgot, to bring
D.left, to take
用弹簧管压力表测压力时,弹簧管的弯曲度();测真空时,弹簧管的弯曲度()。