一区二区三区av这些免费观看-国内自拍成人福利视频-国产91精品清纯白嫩-在线女同免费观看网站

Jiangsu New Silver Leaf Transmission Ltd compressor precision gearbox cold start, follow these steps:
Cold start (in the cabin and the gearbox oil sump temperatures between -15 ° C and 0 ° C)
Start heating system (temperature ≥10 ° C again when stopped)
When sump temperature reaches ≥0 ° C, the pump starts to run low level.
Low-speed operation mode no-load operation.
After the sump temperature reaches ≥5 ° C, it can take 25% of the rated load operation.
Absolutely not allowed in the lubricating device is not running, it is running with load