The second technique involved using braided solder wick and a soldering iron with a bladetip to remove residual solder from the PCB pad.
第二个技术工艺涉及到使用网状焊料芯吸法及有刀片尖的焊接烙铁来除去PC B焊盘上的残余焊料。
2
Seal coating sprayed is currently used to adjust the gap between the bladetip and engine casing and improve engine efficiency.
采用喷涂封严涂层的方法调整叶片端部与发动机涡轮机壳之间的间隙以提高发动机效率。
3
The advanced small gasturbines feature small mass flow ratio, short vanes and blades with low aspect, high second flow and bladetip leakage losses, and low efficiency.