Well, that will be the sum of the derivatives of the amounts of smoke inside each little box.
那就是，每个小盒子里烟雾总量的导数和。
On the basis of expatiating on the way of smoke control of underground constructions, I think that water curtain system of box type is more applicable to underground constructions than the others.
本文在阐述地下建筑的防火隔烟方法的基础上，认为箱式水幕系统是较适用于地下建筑中消防系统之一。
Elegant tannins structure intermixed with minerals, smoke, toasty new oak and cigar box characters.
优雅丹宁配合着矿物、烟熏、烤新橡木和雪茄盒特性。
When you clean smoke machine, spray directly to the fan surface wherein the oil. After a brief stopover and then start fan, oil rapidly breaks down into the oil box.
清洁油烟机时，直接喷向风叶的油污表面，稍作停留后启动风叶，油污迅速分解后流入油盒。
When you clean smoke machine, spray directly to the fan surface wherein the oil. After a brief stopover and then start fan, oil rapidly breaks down into the oil box.
清洁油烟机时，直接喷向风叶的油污表面，稍作停留后启动风叶，油污迅速分解后流入油盒。
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