The pump features a variable discharge port design which adjusts automatically to the internal compression ratio of the vacuum pump resulting in maximum efficiency throughout the vacuum range.
我们公司生产的液环真空泵，具有不同的出料口，自动调节内部压缩率，已达到最大的真空效率。
The weight of the loco is 90 tonnes and maximum speed is 120 km. h, and dual vacuum and air brakes are provided.
机车重量为90吨，最大时速为120公里；小时，并装有真空和空气双重制动器。
The vacuum increases quickly in the earlier stage of the drainage, reaches a maximum and gradually becomes zero.
真空在排水开始以后迅速增大，达到最大值，然后缓慢减小到零。
The vacuum increases quickly in the earlier stage of the drainage, reaches a maximum and gradually becomes zero.
真空在排水开始以后迅速增大，达到最大值，然后缓慢减小到零。
应用推荐