After salt water spray test, their hardness did not change.
经盐水喷雾试验后，其对于硬度并不会有所影响。
The spray test equipment consists of a mechanical frame work.
喷淋防水试验机由一个机械框架组成工作。
Thereis a very simple test to determine if a spray tip is worn.
这有一个很简单的试验来检查喷嘴是否磨损。
Thereis a very simple test to determine if a spray tip is worn.
这有一个很简单的试验来检查喷嘴是否磨损。
应用推荐