全部

1·By this method locomotive supervise and record apparatus can be used to judge the condition of train line Angle cock according to the air-filled time and air-bled time of train line.

介绍了一种判断列车管折角塞门状态的新方法借助机车监控装置如何利用列车管充风和排风时间来判断列车管折角塞门的状态。

2·Pneumatic Angle. Vent valve, filter, the drain valve, the valve, the diaphragm valve, cock, piston valve, valve, valve, copper heat water valves, balance valve, trap, solenoid valves.

排气阀、过滤器、排污阀、底阀、隔膜阀、旋塞阀、柱塞阀、铜阀门、保温阀门、水利控制阀、平衡阀、疏水阀、电磁阀。

3·A cock is sitting on the roof. The angle of the roof on the side is 25' while the order side is 45'. When it lays an egg, Which side will the egg roll?

一只公鸡坐在屋顶上， 当顺序角度是45度时，屋顶边缘的角度是25度，当它下了个蛋的时候， 这个蛋会向哪边滚?。