1·In order to obtain the expected sand cooling and humidifying effect, requiring sand in the boiling bed to flow in uniform.
为使型砂获得预期的冷却和增湿效果，要求型砂在沸腾床上均匀的流动。
2·Humidifying technology is one of key technologies for proton exchange membrane fuel cell (PEMFC).
增湿技术是质子交换膜燃料电池(pemfc)的关键技术之一。
3·So the open yard, the use of the wind-proof and dust suppression net and humidifying dust are two main technical measures to reduce dust emission.
因此对露天料场来说，使用挡风抑尘网和增湿抑尘是两种主要的减少起尘量的技术措施。
4·Humidifying treatment in mat surface could shorten a half time when the temperature of core layer reached to water vaporizing temperature at most.
板坯表面增湿处理，能使其中心层到达水分汽化温度的时间最多缩短约一半。