envelope

Study of envelope materials used to seal up field equipment;

野战装备封存封套材料研究

Light thermal environment and surface heat current analysis of envelope;

封套的光热环境与表面热流影响因素分析

The variation of temperature and relative humidity in a new type of envelope by PVC/CPE materials was studied in typical area.

选取一种CPE改性PVC封套,对其在典型地区环境下的内部环境温湿度变化规律进行了试验研究。

Calculational Methods of Dryer s Dosage in Protective Envelop;

封套封存中干燥剂用量的计算

Performance of envelop material is the key to equipments sealing technology in battlefield.

研发性能优异的封套材料是装备集合封存技术成败的关键,为了适应封存对象的不同要求,防静电性能是封套材料一项重要指标。

So we must consider the difference of object in design of the envelope in order to improve its practicability.

野战弹药封存是一项复杂的系统工程,涉及到弹药技术特性、储存地区环境、封存作业条件等各种因素,在封套等封存装置的设计制作中体现目标差异,从而提高实用性,是一个必须予以考虑的问题。

An envelope or wrapper for mail.

封套，信封为邮寄而制的信封或封套

phonograph records were sold in cardboard jackets.

唱片装在封套里出售。

encapsulated fuel unit

加密封套的燃料元件

tamper evident valuable property envelope

防干扰贵重财物封套

retrievable hydraulic-set casing Packer

可收回的液压坐封套管封隔器

fasten(the cover,flap,etc of sth)with glue,paste,etc

（用胶水、浆糊等）粘住（封套、信封口等）

He opened the cover in which the message was enclosed.

他把密封那份电报的封套拆开。

book [ dust ] jacket

(套在书藉外面可以取下的)外封套

A paper or thin cardboard envelope for a phonograph record.

唱片套子留声机唱片的纸套或薄纸板封套

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。

A brief publicity notice, as on a book jacket.

简介，推荐广告印在书籍封套上的简介

a record sleeve, album, library

唱片的封套、 唱片集、 唱片库.

What is the difference between Glassine envelopes &BOPP polypropylene?

玻璃纸封套和BOPP聚丙烯有什么不同？

Lyman tore the cover from the top of the package.

莱门把那包东西顶上的封套撕开。

water-seal latrine unit

(成套)水封式厕所

BALL JOINT SEAL BOOT

球形接头密封防尘套

She lost faith in feudal traditions.

她不再相信封建的老一套了。

He lost faith in feudal traditions.

他不再相信封建的老一套了。