题目内容

Which of the following may cause that the compressor cuts off on high pressure cutout in a refrigeration plant? () (1) faulty condensing (2) too few refrigerant (3) high discharge pressure

A. any of (1) and (3)
B. any of (1) and (2)
C. any of (2) and (3)
D. any of (1), (2) and (3)

查看答案
更多问题

论述程序性知识的教学策略

正规性科学活动有什么作用?

IC卡读写器在正常待机状态下亮()灯。

A. 黄
B. 红
C. 绿
D. 不亮

邻近高大挡土墙,是施工驻地的最佳选址

A. 正确
B. 错误

答案查题题库