本機(jī)采用循環(huán)供油方式，降低油耗，性能有了進(jìn)一步提高，使用方便得低線(xiàn)量，通過(guò)左右獨(dú)立的取現(xiàn)彈簧，可更細(xì)致地調(diào)節(jié)線(xiàn)的松緊。

The machine adopts circulary-oil-offerings.little oil-consuming.further improved capability quantity of base line confirming sindows,you can confirm the quantity of the base line by exterior adjustment of thread,through the right and left self-govetned spring as well.