一般球阀的结构分为浮动球球阀和固定球球阀两类。
Generally ball valve's structure divides into the fluctuation ball ball valve and the fixed ball ball valve two kinds.
浮动球球阀的球体自由支承在阀座上，靠介质的压力形成单面密封，故不能保证密封。
The fluctuation ball ball valve's spheroid free supporting on the valve seat, forms the one-sided seal depending on the medium pressure, therefore cannot guarantee the seal.
根据你所执教的球队的声望等等，董事会给的球探名额可能会在6、7名附近上下浮动，这样你也就有一点权利去更换和裁减，直到你认为合适了。
Depending on which team you are managing, you may be allowed more or less than 6 or 7 scouts, so you'd have a bit of freedom to chop and change where you see fit.
应用推荐