喷油泵柱塞偶件的配合间隙为()。
A. 0.01~0.02mm
B. 0.003~0.005mm
C. 0.03~0.05mm
D. 0.001~0.002mm
I’d love to have a break, but I can't () the time now.
A. spare
B. spend
C. speak
The teacher showed the students () the laboratory.
A. on
B. at
C. around
It is very important for us to find a () between work life and home life.
A. way
B. balance
C. blank