轴瓦和轴颈之间的顶间隙一般可取间隙值等于()倍的轴颈直径。
A.0.004~0.005
B.0.003~0.004
C.0.002~0.003
D.0.001~0.002
参考答案:D
—What do you wear when you go out?
—Well, it ____.
A.changes
B.charges
C.turns
D.varies
扣除项目金额总计( )万元。
A.700
B.740
C.800
D.820