一级毛片视频资源网_欧美午夜精品一区二区三区电影_亚洲制服人妻综合av_晚上看羞羞视频免费_欧美另类亚洲制服丝袜_把腿张开老子臊烂你的在线观看_国语露脸刺激高清AV_在线观看动漫av资源_无码视频 人妻系列_国产亚洲欧美一级黄色影片

Polyurethane casting machineIn the daily use process, should be timely maintenance.

1. The frequently used foaming machine can ensure no mechanical failure;

2. The intermittent foaming machine shall do 30 minutes of high and low pressure circulation every 1-2 days during the downtime;

3. The long-term unused foaming machine should replace the material with DOP, etc. In addition to focusing on maintenance,Polyurethane casting machineIt is required to rely on high pressure to let the two material atomization mixing in the mixing chamber, no solvent cleaning after use. And the high-pressure machine mixed evenly, automatic cleaning thoroughly, not easy to plug.