“4C”“4C”
参考答案:
Consumer(消费者);Cost(成本);Convenience(便利);Communication(沟通)
It was ________ the old watch that the old man spent the whole afternoon at home.[ ]
A. in repair
B. repaired
C. to repair
D. repairing
物料装运应做好哪些“危险预知”?()
A、装运小件时可不用捆绑固定
B、通车装不同长度物料时,必须将短料放在底层,长料放在上部
C、装料时材料一般应不超过车沿,但若巷道顶板或棚梁距离车沿净高超过0.6米时,物料可超过车沿0.3米,并捆绑牢固