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保险罩
1、protecting───adj.保护的；防护的；v.保护；防护（protect的ing形式）
2、casing knife───套管割刀，切管刀，切管器
3、casing───n.套；盒；（香肠的）肠衣；包装；v.把…装入箱内（case的ing形式）
4、casing trim───机壳内件
5、backband casing───背带套管
6、protecting god───保护上帝
7、protecting paws───护爪
8、kabob casing───kabob外壳
9、casing jacks───套管千斤顶
1、All devices for switching, protecting and controlling are installed on a base plate installed in a separate steel sheet casing.───所有的开关，保护，控制装置皆分别装置在各控制盘上。
2、Additionally, have put forward the Suggestions in protecting casing, saving workover fee, reducing costs and increasing economic benefits.───为今后如何进一步保护好套管，节省大修费用，降低成本，提高经济效益等方面提出了建议。
3、protecting methods for the carrier pipes prevented with casing pipes from corroding during 1970s -1990s in the northeast China oil pipeline are respectively introduced.───介绍了东北输油管道自70年代至90年代穿越段管道套管的防护方式。