weld face meaning in Chinese
焊缝表面
Examples
- Method 2 : ultrasonic cleaning , pcb member of ultrasonic welding face lotion under the surface ( water temperature 40 - 60 c ) cleaning faster , better results
方法2 ：超声清洗，将pcb板焊接面置于超声水清洗液表面（水温40 ~ 60 ）清洗，速度更快，效果更佳。