释义 |
dust concentration 基本例句 粉尘浓度 The settled dust on the walls of the tunnel should be moistened with sticking agent.Only in this way,could thedust concentrationin the whole tunnel be effectively controlled.对巷道周壁的粉尘采用喷洒粘尘剂固尘,才能有效地降低整个巷道的粉尘浓度。 Noise and wooddust concentration in the air at the different workplaces in two departments for furniture and chipboard production have been measured.测定了家具和刨花板生产车间多种作业位置的噪声以及空气中木粉尘浓度。 |