拨车机工作速度:牵引为0.60m/s,空车行走为1.1m/s。
参考答案:对
A fire ___________ in the factory nearby last night. Fortunately, the firemen came in time to put it out.
A.broke up
B.broke down
C.broke away
D.broke out
分拣工作包括()。
A、出口分拣
B、进口分拣
C、粗分
D、细分