Causes slight damage, with degree of damage proportionate to lengthofexposure and concentration. Other items leave no effect.
导致轻微损伤,损伤程度与试剂的浓度及放置时间成正比。
2
With the similar dust control measures and lengthofexposure to dust, the main reason of causing different coal mine incidence of pneumoconiosis was the different coalfield geology factors.
在防尘措施、接尘工龄基本相同的情况下,造成煤矿尘肺发病差异的原因主要是煤田地质因素不同。
3
You'll quickly realize whether your shots are under or overexposed and whether the lengthof the exposure is long enough to let cars travel through the frame in the way that you want.