常見例句Persistent sunless days can result in lower t emperature and higher air humidity inside greenhouse, which could be harmful to the normal growth of cucumber. 連續(xù)寡照時,室內(nèi)全天氣溫低,空氣濕度大,不 利于蔬菜正常生長發(fā)育。Addition agent for MgO used on the silicon steel The agent can improve qualities of oriented silicon-steel coatings , enhance magnetic properties of silicon steel and decrease the finishing annealing emperature and time in manufacturing of oriented steel. 作用:專用于取向硅鋼片高溫退火隔離涂層,是國內(nèi)新的取向硅鋼涂層用氧化鎂,該涂層具有國內(nèi)第二代硅鋼氧化鎂的透氣性,又具有納米氧化鎂的活性。The excellent advantages obtained by tech nique reno-vation such as heat efficiency improvement,uniform surface t emperature,longer utilization life,and lower pol lution emis-sion are evalu ated. 蓄熱式改造后的裝置具有熱效率高,表面溫度分布均勻,使用壽命延長,污染物排放濃度降低等特點。Keywords pebblestove;high blast t emperature;flameless ceramic burner; 球式熱風(fēng)爐;高風(fēng)溫;無焰陶瓷燃燒器;low emperature 低溫emperature and Humidity 溫濕度傳感器 返回 emperature