题目内容

根据来源分类:生产性噪声不包括()。

A. 机械性噪声
B. 流体动力性噪声
C. 电磁性噪声
D. 大气空气传播噪声

查看答案
更多问题

The working stroke is also called () strok

A. compression
B. expansion
C. exhaust

城市道路照明设施监察的主要内容?

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

答案查题题库