汽油检测系统由毛细管节流器组成.The gasoline detection system consists of a capillary restriction.近来,可采用在冷却塔的水管系统中设置旁通阀或节流阀.The latter may be used with bypass or throttling valves in the tower water pipework circuit.当达到发动机额定转速时,节流板趋于关闭位...
The body must return identically to its original condition when the loads are released.当去掉载荷时,物体必须恢复到与原来完全一样的状态.The motion is periodic, which means it occurs identically over and over again.这个运动是周期的, 意即运动以同样的形式重复出现.The w...