A. 蜥蜴的断尾 B. 竹节虫的拟态 C. 涡虫释放杆状体 D. 黄鼠的报警鸣叫
A. excessive internal leakage in the pump B. low discharge pressure and fluid flow C. excessive fluid level in the hydraulic reservoir D. operation of the pump at 100% efficiency
A. 正确 B. 错误