久久久久九九九国产精品_一级毛片免费视频版_久草欧美精品在线观看_六月婷婷开开放处_午夜在线观看成人_久久影院秋霞理论_国产AV自拍无码_美女私密福利第一导航_日日碰狠狠添天天爽无码av_国产精品自拍第一页

1. Design and develop closed protective cover to greatly reduce the pollution of hot oil and gas fog to the working environment.
2, the machine is equipped with a pressure protection device of the oil circuit to ensure that the parts of the machine are fully lubricated during operation. Set the gas pressure protection device to protect the overload phenomenon of the machine and improve the service life of the mold.
3, while ensuring that the machine is convenient to debug, a number of safety protection doors are set up, emphasizing the standardized operation of the operator to ensure the safety of personnel.。