The working stroke is also called () strok
A. compression
B. expansion
C. exhaust
驾驶舱和客舱有两个相互独立的温度控制系统,温度控制器依据温度选择器、相应舱温传感器控制冷、热路活门,达到座舱所选择的温度值。
A. 1个
B. 2个
C. 3个
When using a stabilogauge,unless the density correction is applied,the center of gravity of a loaded compartment is assumed to be located ().
A. On the deck of the compartment
B. At one-third the height of the compartment
C. At the geometric center of the compartment
D. At one-half the height of the compartment