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

  1. 首頁(yè)
  2. 化工助手
  3. 化學(xué)配方數(shù)據(jù)庫(kù)
  4. METALS AND TREATMENTS
化學(xué)配方數(shù)據(jù)庫(kù)
配方類型： METALS AND TREATMENTS
配方說(shuō)明： Metal Cutting Oil (Soluble Oil)
配方組成： "Surfactol" 340/2.5
"Surfactol" 365/2.5
Mineral Oil/50.0
Water/45.0
配制方法： In grinding operations, one part of such a soluble oil is diluted with 50 to 70 parts of water. In turning operations, one part of oil is diluted with 10 to 30 parts of water. Since these soluble oils contain both water and organic materials, appropriate rust preventives and germicides should be used.

返回?cái)?shù)據(jù)庫(kù)查詢
QQ: 2241752642
微信二維碼
電話: 19906633110