详细介绍 一般车缝，采用针杆处的强制回油装置，有效地控制
针杆构的油量,消除漏油现象;
上下硅油装置,防止机针发热及断线。
With adoption of the forced-feed oil-return system at
the needlebar,the oil of the needle bar mechanism can
be controlled effectively,ａnd in this way oil leakage will
never happen. And the upper and lower silicon oil system
prevents the needle overheating, and also avoids thread
breakage.
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