排气螺丝应该位于开启位置，并且在焊接时要有遮盖以免被火源烧到。
The purge screw should be in the open position and shielded from direct heat when 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。
Although it requires the removal of two odd-sized screws, the battery really isn't that hard to replace. Thumbs up for no soldering!
模具中的大型烧焊件必须在配合面上进行加工并用螺丝所在一起，在最终加工前必须焊接及处理。
Large weldments in die structure will be machined on the mating surfaces, screwed together, welded, and normalized before final machining.
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