The flywheel can be assembled by a welding, hardsoldering, soft soldering, binding or interfering method.
可以通过焊接、硬钎焊、软钎焊、粘结或干涉方法装配成飞轮。
2
Although it requires the removal of two odd-sized screws, the battery really isn't that hard to replace. Thumbs up for no soldering!
尽管需要取出两个非标准尺寸的螺丝,要更换电池并不是很难。好在没有焊接起来。
3
As the drive circuit board are programmable chips, circuit board repair so hard not just "soldering iron" and "solder" work, but also the use of specialized programming equipment.