According to this feature,transient thermal conductivity of cluster and contact heat transfer coefficient of boundary between cluster and kiln wall are deduced,then heat transfer coefficient between material and covered wall is obtained.
根据回转窑内物料颗粒的运动特点,推导了颗粒团在贴壁运动过程中的非稳态导热系数及界面处的接触传热系数,进而得出了物料与封盖窑壁间的换热系数;结合已有研究成果,建立了回转窑的传热数学模型。
labyrinth gland
迂回[曲折, 迷宫式]密封盖
I licked the flap of the envelope and sealed it
我舔了舔信封盖口,把它封好
I lick the flap of the envelope and sealed it.
我舔了舔信封盖口,把它封好。
Although I moistened it， the flap dose not stick to the envelope.
虽然我已经湿润了信封封盖，它仍旧无法附著在信封上。
They'll close it up next spring.
明年春天，他们就会把它封盖起来的。
Do not remove the sealing caps from a replacement component until it is to be installe
直至安装时，方可拆开替换部件的封盖。
To coat, pack, or seal with lute.
用封泥盖、包或密封
stick down(the flap of)an envelope
粘住信封（的口盖）.
A fitted covering used to seal a well or large pipe.
封闭盖用以封闭井或大管子的盖子
The letter was buried under the papers.
那封信被文件所盖没。
This letter is postmarked London.
这封信盖有伦敦的邮戳。
The letter is postmarked New York .
这封信盖着纽约的邮戳。
gum down the flap of an envelope
用胶粘住信封的盖口
unstayed flat heads and covers
无支撑平封头和盖板
bellows seal bonnet
波纹管密封型上阀盖
Bill Gates typed out a rely:
比尔?盖茨敲了一封回信：
This letter carries the royal seal.
这封信盖有皇家的印章。
cover ,first-day, cancelled or pre-cancelled
盖销或预先盖销的首日封