什么是空压机的轴功率?
参考答案:
指原动机传递给空压机轴的功率,单位为kW。
()Development is a structured design methodology that proceeds in a sequence from one phase to the next.
A. Waterfall
B. Phased
C. Prototyping
D. Parallel
何谓障壁岛?它是如何形成的?其沉积特征是什么?