火力发电厂汽机房、屋内配电装置楼、主控制楼及网络控制楼与油浸变压器的间距不宜小于()m。
A、5
B、8
C、10
D、15
参考答案:C
液压传动是将机械能转化为液体的(),再经过液压元件转化为(),实现执行机构的运动。
—Do you still remember__________he was taken to the hospital?
—Yes,he was sent to the hospital in Mr Smith’s car.
A.why
B.how
C.when
D.that