Cylinders should be assigned a definitearea of storage.
应安排有确定的钢瓶存放区域。
2
Cylinders should be assigned a definitearea for storage.
应安排有确定的钢瓶存放区域。
3
On the basis of analysing the experiments of atomized jet vacuum pump. it puts forward an empirical optimized working pressure formular for a definitearea ratio in.