当柴油机冷却水温超过88℃时，水温继电器动作，通过中间继电器2ZJ的作用，柴油机卸载。
参考答案：对
情景对话（每题1分，共5分）请将正确答案序号填到题号前，有两项为多余选项。
小题1:—I am sorry, I couldn’t find the book you want to borrow.
—I am sorry, I couldn’t find the book you want to borrow.
—________
小题2: —How was your visit to Lake Tai？
—______
小题3:—Professor Wang, I haven’t finished my paper.
—Professor Wang, I haven’t finished my paper.
—_____. You have some time left.
小题4:- The car looks nice. Could I have a try before I decide to buy it?
- _____________
小题5:—Would you like another piece of cake?
—Would you like another piece of cake?
—___________. I’m still hungry.
电动转辙色目人挤切销折断的主要原因有哪些？
