题目内容

高压开关柜重点检查的项目有哪些?

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清热除湿祛风膏功效与作用

To safeguard the operator and other personnel working on or near a hoisting operation which of the following precautions should be observed?()

A. Keep a load on the hoist until all personnel are finished working
B. Set the load on a movable dolly when transportation may be needed
C. Have one man keep a hand on the load to steady it
D. Insure that the lifting gear capacity is not exceeded

分部(子分部)合格的标准是什么?

剖检病死猪,见心脏三尖瓣上附着淡黄色,干燥,坚实。表面粗糙的灰白色菜花状赘生物。 引起次病变的主要病原是()

A. 毒力较弱的病毒
B. 毒力较强的病毒
C. 毒力较弱的细菌
D. 毒力较强的细菌

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