井道开关和轿厢档棒之间动作可靠,轮迹在档棒的中间位置;行程开关平面和档棒间隙为();限位距离为();极限距离为()。
参考答案:5-8mm;50-100mm;100-200mm
He claimed _____ in the supermarket when he was doing shopping yesterday. [ ]
A to be treated,badly
B. to have treated badly
C. to treat badly
D to have been badly treated
引起雀目的原因为
A..肾精不足
B.心血不足
C.脾气亏虚
D.肝阴不足
E.肝经风热