97人妻互换精品全国视频,午夜亚洲色欲AV一区二区三区,在线亚洲午夜理论AV大片,日本高清无卡码一区二区久久

<kbd id="4gm8u"><acronym id="4gm8u"></acronym></kbd>

<dfn id="4gm8u"><center id="4gm8u"></center></dfn>

<dfn id="4gm8u"><center id="4gm8u"></center></dfn><tr id="4gm8u"><center id="4gm8u"></center></tr>

<bdo id="1fgys"><span id="1fgys"></span></bdo>

Hotline: +86-0769-83660708

CN

about us

case

news

contact us

Contact Us

Main product

Exhaust Fan lowering temperature principle and note

"Exhaust Fan" hot indoor air can quickly exhaust the air outside the other side of the suction chamber, the temperature and the outside temperature reaches unchanged and ...

2016-5-16
Cross Flow Fan of different name

Through-flow fan known as "Cross Flow Fan", so refer to the same thing, just a different name! This through-flow fan is a 1892 French engineer Mortes (Mortier) first prop...

2016-5-16
Axial Fan role and thrust

"Axial Fan" fluid from the centrifugal force, so that the centrifugal force due to the increased static pressure could be zero, so it can produce much lower than the firs...

2016-5-16
AC Fan centrifugal fan

"AC Fan" centrifugal fan is the first to use it to start from the beginning. Cause sometimes fails to be started or the start time is very long question, the emergence of...

2016-5-16
Cooling Fan Maintenance

A, "Cooling Fan" season before maintenance: before using the season starts, check whether the unit inlet and surrounding obstructions.
B, use and maintenance crew: pay a...

2016-5-16
DC Fan basic structure before DC

"DC Fan" mechanical structure consists of the following major components: A. Frame: plastic repression, generally square, round. B. Blade: outside on the fan rotor, outer...

2016-5-16
Centrifugal Blower Fan works

Centrifugal "Blower Fan" works with centrifugal fan is similar, except that the air compression process usually is the result of several working impeller (or several stag...

2016-5-13
Exhaust Fan ventilation principle

"Exhaust Fan" outwardly discharge air in the process will cause indoor air pressure drops, indoor air becomes thin, the formation of a negative pressure zone, due to the ...

2016-5-13
Cross Flow Fan Installation and maintenance requirements

1, "Cross Flow Fan" ambient temperature should be 75ºC ≥ -40ºC.
2, industrial gas through the cooling fan does not allow strong acid, alkali and various sol...

2016-5-13
Axial Fan guide vane aerofoil profiles theory

"Axial Fan" takes its name from the fluid inflow and outflow from the axial impeller in the axial direction. Its working principle is based on leaf airfoil theory: gas by...

2016-5-13

First Previous 22 23 24 25 26 27 28 Next Last to

+86-0769-83660708

Home Product News Contact

邮箱| 湄潭县| 米脂县| 新乡市| 新郑市| 镇巴县| 三原县| 广宗县| 连云港市| 图们市| 扎兰屯市| 文化| 香港| 泗洪县| 青州市| 屏东县| 新蔡县| 中阳县| 开阳县| 徐州市| 广河县| 岳西县| 昌邑市| 新化县| 静海县| 甘孜| 南通市| 定州市| 公主岭市| 西乌珠穆沁旗| 威宁| 金沙县| 绍兴县| 繁昌县| 东明县| 肥乡县| 岫岩| 砚山县| 贵定县| 于都县| 乌鲁木齐县|

<bdo id="vhz3d"></bdo>