Controlling air velocity in the working space of a wall jet air supplied room

The boundary of a wall jet can be approximately regarded as a straight line and the angle of spread is 7.67 degrees;

有限空间附壁射流边界近似为直线，射流扩散角约为7.67°；

Model of wall jet;

附壁射流模型；

We use tiles to cover roofs and sometimes floors and walls.

我们用瓦片盖房顶,有时也用瓷砖铺地面和墙面.

There is a kind of rough wall surface, which is said to be sound-absorbing.

有一种墙面是麻的, 据说可以吸音.

Tall sheet pile walls usually require a-back anchor placed in the ground some distance wall face.

高大的板桩通常需要在土体中面板后一段距离的地方设置锚固区.

The measures for shell assembly and end wall face-to-face assembly are special manufacture experience.

在装焊过程中合缸、端壁 面对面 装配等措施是独特的制造经验.

And climb again the broken bank of wall-face.

勇攀再次打破了银行在墙上 - 脸.

And climb again the broken bank of my wall-face.

攀登再次打破我的银行墙上的脸.

This factory manufactures indoor textile wallcovering.

这家工厂制造室内布质墙面装饰.

For ceiling and wall decoration.

天花板和墙面装饰.

Most brick as a building component or gate, zhao bi, wall decoration.

砖雕大多作为建筑构件或大门 、 照壁 、 墙面的装饰.

The hands on his clock do not move.

他家挂钟的表针不会动了.

At present the two main production: pure mechanical skeleton wall clock, quartz skeleton table bell.

目前主力生产两种: 纯机械骨架挂钟, 石英骨架桌上钟.

I looked at wall clock just in time to see its black shift to half-past.

我看了一眼墙上的时钟,刚好看到它的黑色分针走过半小时的地方.

The hands of the wall clock were still.

挂钟的指针不动了.

Liu Xing look at the wall clock read said.

刘星看了看墙上的时钟说道.

Most of the clothes in the cupboard have got the moth in them.

很多在壁橱里的衣服已着虫了.

I might'a thought of that closet. What you been doing in there? "

我早该想到那个壁橱, 你躲在那里干什么? ”

If you want a towel, look in the linen closet.

如果你需要毛巾, 可到放毛巾和床单的壁橱里去找.

Look at this picture. Who are they ? What are they doing?

教师出示大 挂图,带领幼儿看图,引导理解.