1.
Bool jacket: Protective wrap-round to a book, usually made of paper. Also called Jacket, Dust jacket.
护封:包卷书本的保护封套。它通常用纸造成。
2.
Effect of Radii barrier sleeves on cure depth of composite resin
光导棒保护封套对复合树脂固化深度的影响
3.
The temperature sensor is enclosed in a protective well.
温度传感器密封在保护套管中。
4.
Shaft Weather Seal: (Below bushing on some models.)
轴保护密封:(在某些型号上,轴保护密封位于衬套下方。)
5.
covering to protect an injured thumb.
保护受伤的拇指的套儿。
6.
thumb-stall (sheath to cover an injured thumb)
拇指套（保护受伤拇指的）.
7.
a cover to protect the mattress.
一种保护床垫的外套。
8.
"also, provide a protective sleeve that allows operation of the valve without breaking the vapor seal or disturbing the insulation."
此外,还要配置保护性套管,使得操作阀门时不会破坏气体密封或绝缘性能。
9.
A protective covering for the backs of chairs and sofas.
椅背套椅子和沙发背的保护性套子
10.
a protective covering over a mattress to protect it.
套在褥子外面用来保护褥子的防护罩。
11.
A protective overlay, as for a mattress or furniture.
护套保护性的饰布，如坐垫或家具
12.
An envelope or wrapper for mail.
封套，信封为邮寄而制的信封或封套
13.
Either of the folded ends of a book jacket that fit inside the front and back covers.
向内折的边书籍护套折进封面或封底的折叠端的任一端
14.
An arm or wrist guard worn by archers and fencers.
保护套弓箭手和击剑手戴的臂腕保护物
15.
Slip case: A protective box into which books are placed with their backs visible.
书套:保护书本的盒，书本套入后，可见书背。
16.
One-pot meals require minimal cooking utensils and eliminate the need for a campfire.
密封袋能保护食物并减少零碎和垃圾。
17.
coat or surface(sth)with a protective substance, sealant,etc
给（某物）加保护层或面,或涂上密封胶等
18.
To cover, protect, or seal with a cap.
加帽于用帽或塞来遮盖、保护或密封