If it does not fit properly, airborne contaminates will penetrate ( enter underneath ) the facepiece seal.

Like other forms of environmental damage, light pollution is created by man and contaminates our surroundings.

就像其它形式的环境破坏, 光污染是由人类一手造成的,而且污染了人类自身的环境.

The love toxicant, is attractive actually also contaminates violentlypoisonously!

爱情的毒药, 诱人却也沾染剧毒!

The waste from this factory contaminates the water in the river.

来自这家工厂的废物污染河水.

Drug-dip or empty package should not abandoned in water, avoiding contaminating water source and affecting fish.

勿将药液或者空包装弃于水中, 避免污染水源和影响鱼类.

It may also be leached down into the soil layers, eventually reaching and contaminating the groundwater.

它也有可能向下渗入土壤深层, 逐渐靠近并污染地下水.

Free floating fuel is heavily contaminating much of the ground water in the project areas.

随意流淌的燃料正在严重污染该项目所在区域的地下水.

Communication cables-Specifications for test methods -- Part 4-4: Environmental test methods-Resistance to solvents and contaminating fluids.

通信电缆 --- 试验方法规范 --- 第4-4部分: 环境试验方法 --- 耐溶剂和耐污染流体.

Using the food-grade oil instead of the ordinary transformer oil, to avoid contaminating the well.

电机内腔采用食品级机械油,而不是普通的变压器油, 不会污染水井.

Prevent fingerprints from contaminating the transmitting surfaces.

防止指纹污染透射表面.

In addition , the sample is kept contaminating during grinding and erosion.

且能够防止在研磨和侵蚀的过程中研磨剂和腐蚀剂对样品的污染.

We should prevent all kinds of germs from contaminating our bodies.

我们要防止各种病毒侵害肌体.

Instead, the contaminating grease reacts with the acid to form gas bubbles.

相反地, 残留的油脂会和酸反应产生气泡.

He believes that sewage is contaminating the water and driving them away.

他相信污水正在污染水源,也在把它们赶走.

This gaseous impurity is able to bring about metal corrosion and contaminating.

这些气相杂质的存在会造成金属材料腐蚀,并污染环境.

And I'm wondering why you're contaminating our investigation scene.

我在想为何你会破坏我们的调查现场.

They are contaminating the minds of our young people with these subversive ideas.

他们这些颠覆作乱的思想是对我们年轻人的精神污染.

Some people are still suffering ill effects from the contamination of their water.

一些人仍在承受水质受污染的恶果。

Always keep food covered to prevent contamination by flies.

时常把食物盖着以防苍蝇污染.

Heavy metals contamination is the main type of soil contamination.

重金属污染是土壤污染的主要类型之一.

Cleaning cooking surfaces and cooking food completely reduces the risk of bacterial contamination.

保持炊具表面洁净,将食物彻底蒸煮减少细菌感染.