The carer will have to do all the work: placing the patient on the seat, strapping him in, taking him off again at the top. 护工将要全程照顾：将病人抱到座位上，替他系好安全带，到顶层后再将他抱下来。
槽轮机构以结构简单、工作较为可靠等特点,在自动机械中被广泛采用.The Geneva mechanism was adopted by automatic mechanism because the simple structure and steady performance.飞槽轮在偏心轴上的两端位置可以相互调换,并通过胀紧套连接.The flywheel on the eccentric shaft can be exchange...
His firm is just on thin ice of bankruptcy.他的商号正面临破产的危险.It is dangerous to walk on thin ice in a lake.在湖中薄冰上行走是很危险的.I had skated on thin ice and, so far, got away with it.我曾经冒过很大风险，但目前为止侥幸没事。...