常见例句Even if you would not use any soldering past, but preforms without flux, you will get a perfect wettening of the surfaces and a voidless connection. 即使你之前没有进行过焊接，而且焊片不带焊剂，焊接面也可以得到良好的润湿，并且空率很低。voidless(void-free) 无空隙 返回 voidless