手拉葫芦适用于对小型设备和重物的短距离搬运，起重质量一般不能超过（）。
A.2T
B.5T
C.10T
D.15T
参考答案：C
They would like to gratefully _____ the contribution of time and effort by the following compames. [ ]
A. admit
B. acknowledge
C. admire
D. accept
场地内可布置( )个车位。
A．45 B．49 C．50 D．55
