播放中国国产国语纯一级黄片免费看, 大鸡吧快来啊阿啊阿啊黄片在线播放, 中文精品日韩网站在线观看视频免费, 别揉我奶头~嗯~啊~一区二区三区,AV无码播放一级毛片免费古装,亚洲春色一区二区三区,91大神极品,美国一级大黄一片免费下载,午夜爽爽爽男女免费观看软件

化學(xué)配方數(shù)據(jù)庫
配方類型: MISCELLANEOUS
配方說明: Dry Lubricants, Graphite Base for Use at High Temperatures
配方組成: a) The addition of 10% graphite to a lubricating oil of suitable
Viscosity will give a high temperature lubricant which leaves a low
friction residue after evaporation of the fluid
b) Grease type lubrican
Polyglycol/45
Graphite/55
配制方法: a polyglycol of 1000 m.w. is suitable

返回數(shù)據(jù)庫查詢
QQ: 2241752642
微信二維碼
電話: 19906633110