国产精品系列在线观看-极品网红主播福利视频, 她的外交官先生 1v1 笔趣阁小说, 无码专区一ⅴa亚洲v天堂狠色777, 5566先锋影音夜色资源站在线观看,穿越火线正能量图片去内,600的鸡是什么水平,中文字幕乱码中文乱码51精品,极品网红主播福利视频,nanana视频在线观看免费

PRODUCT DESCRIPTION

According to the ventilation requirements of the vehicles, Tongye design a special air supply fan for motor used in train air conditioning with high stability, high reliability and high efficiency.

This product adopts a large-span bearing design, reduces the bearing load, increases the rated life of the bearing, reduces the bearing failure of the fan, and adopts the design concept of low temperature rise motor, which greatly improves the working temperature of the magnet wire and the bearing, and improves the product quality, reliability.

PRODUCT APPLICATION

Used in air-conditioning unit of the passenger carriage in EU691 and widely applied in CRH2, CRH380A, CRH380AL models.