青年a级毛片国产精品青青草|aaa精品视频英国|中日朝一级黄片私拍一区|欧洲黄色短视频平台在线观看|AV解说在线观看|日韩亚洲强奸播放|AAAAA级黄片|久久av综合久久婷婷精品|色色色色色色色日韩AV国产|日韩无码久久视频

產(chǎn)品介紹（Product Introduction）：

·針桿部強制回油裝置
機器在高速運轉(zhuǎn)中，針桿部極易發(fā)生滲油現(xiàn)象. 因此， 針軒部采用了強制回油裝置，既保證了針桿部的充分潤滑，又可有效地防止針桿部的滲油現(xiàn)象。
Oilleakage often easily happens to the needle stems when machines are running at great speed. Therefore a forced oil return device is used at needle stems to lubricate fully them and avoid oilleakage from them.

·按鈕式針碼調(diào)節(jié)
按扭式針碼調(diào)節(jié)最適各式晶種生產(chǎn). 變更針距只需按住按鈕邊把手輪的調(diào)節(jié)刻度調(diào)整到適合的位置。因此， 可以簡單而確切地進行調(diào)節(jié)。
Button type needle distance adjustment device is suitable for production of multi types.The adjustment scale on the hand wheel is adjusted to a suitable position by pressing the button to change needle distance. Therefore the needle distance can be easily and correctly adjusted.