GK1C机车机油系统由哪几部分组成?
参考答案:
由机油泵、机油滤清器、机油冷却器、离心式机油滤清器、增压器机油精滤器及机油管路、安全阀、油压表、油压继电器等组成。
—___________ he have apologized to Kate?
—Yes,he ___________.Otherwise,she couldn’t be dating with him now.
A.Must;can
B.Can;can
C.Must;must have
D.Can;must have
换气损失包括()
A.排气门早开造成的膨胀功损失
B.活塞强制排气的推出功损失
C.缸内负压造成的吸气损失
D.压缩冲程压缩气体的耗功
E.做功冲程气缸壁的散热损失