机械传动中,主动轮好从动轮两者的转速与两直径成()
A、正比
B、反比
C、相等
D、平方关系
参考答案:B
I haven't ______ to buy an apartment for I'm not ______.[ ]
A. enough money; rich enough
B. enough money; enough rich.
C. enough money; poor enough
D. money enough; enough poor
计价土石方数量V计=挖方数量+()。