net sandface flowrate是什么意思

用法例句

The surface oil flow visualization technique for use in shock tunnels;

用于激波风洞中的表面油流流动显示方法

The paper presents pretreatment technology and equipment, such as ferrous separator and oil－ water separator in degreasing process, and heat exchange system, slag－ off system and surface flow layer in parkerizing process.

简要介绍在涂装前处理脱脂工序中使用的铁分离器、油水分离器，化成工序的热交换系统、排渣系统、表面流层等工艺及设备。