We pro-posed the existence of split-positions on the surface due to larger surface vibrations.
我们认为由于表面原子较大的表面振动，表面存在“劈裂位置”。
2
We've showed you how to become a surface mount soldering pro, but learning the basics of panel mount soldering is also a great addition to your circuitry Arsenal.
Whether you want to make sure a surface is flat or a wall is straight, Storm Level pro will provide accurate measures thanks to its calibration feature.