气硬 meaning in Chinese

air hardening
airhardening
air-set

Research progress of co2 - cured phenolic resin binder for foundry
2气硬酚醛树脂粘结剂的研究进展
Magnesia cement : all the cement can gas - hardened sintered . the function are widely used in basic refractory lining laying construction
镁质火泥：各种不同牌号的火泥，均具有气硬烧结的特点。广泛用于碱性耐火材料砌筑并获得良好的效果。
I observed that mr edgar had a deeprooted fear of ruffling her humour . he concealed it from her ; but if ever he heard me answer sharply , or saw any other servant grow cloudy at some imperious order of hers , he would show his trouble by a frown of displeasure that never darkened on his own account
他掩饰着这种惧怕不让她知道可是当她有什么蛮不讲理的吩咐时，他若一听见我答话声气硬些，或是看见别的仆人不太乐意时，他就皱起眉头表示生气了，而他为了自己的事从来不沉下脸的。