Poisonous gas closed in on the town.

毒气渐渐笼罩了这个小镇。

The old well was filled with poisonous gas.

那口古井里充满毒气。

If (it is) burnt, rubber can give off a poisonous gas.

橡胶如果燃烧起来，会发出有毒气体。

Each place gave out poisonous gas that made people faint.

各地都冒着令人昏眩的毒瓦斯。

The accidental discharge of the poisonous gas caused some chaos.

有毒气体的排放造成了一些混乱的意外。

But they also produced what was in their world a poisonous gas-oxygen.

但他们同时也制造了在当时是毒气的气体——氧气。

Many factories allow poisonous gas and smoke to escape into the air.

很多工厂都让毒气和毒烟排放到空气里。

But, unlike any other geyser, this one erupted with a poisonous gas.

但是，这个间歇泉不像其它间歇泉，它喷发的时候毒气也一起冲起来。

Some factories send waste water into river and poisonous gas into the air.

一些工厂往河里排放污水或有毒气体。

But moreover can not filter of poisonous gas, but be not the ancients can make of.

而另外不能过滤的毒气，却不是古人所能制造的了。

This is why shipping regulations require diaphragm valves on most poisonous gas cylinders.

这正是为什么运输规范要求在大多数有毒气体钢瓶上使用隔膜阀的原因。

To avoid breathing in poisonous gas, they didn't move into the newly decorated house immediately.

为避免吸入有毒气体，他们没有立即搬到新装修的房子里。

Some chemical materials may volatile poisonous gas and some chemical leavings may produce pollution.

某些化工材料物品可能挥发有毒气体，一些化工残渣可能发生净化；

Moreover, the poisonous gas sent by the nearby factories is also one of the main causes of pollution.

此外，附近工厂排放的有毒气体也是主要污染源头。

Burning, producing few smoke, no melting, no poisonous gas. keeping its original shape after carbonization.

纤维燃烧时，仅产生少量烟气，不熔融、不释放毒气，且具有自灭效果，碳化后能保持原有形态；

Impossibly, he clearly took an anti-virus mask, basically can filter the poisonous gas of overwhelming majority.

不可能，他明明带着防毒面具了，基本上能够过滤掉绝大部分的毒气。

For example, cars have made the air unhealthy for people to breathe and poisonous gas is given off by factories.

例如，汽车污染的空气影响了人们的呼吸，工厂释放污染的气体，山上的树木被砍伐。

The poison of gloom, invoke can make person of the concentrated dint decline of the sorcery of blue poisonous gas.

幽暗之毒，召唤可使人的集中力衰退的蓝色毒气的魔法。

A great deal of dust and poisonous gas produced in the process of opencut mining pollutes the environment seriously.

露天开采过程中产生大量的粉尘和有害气体，严重污染了环境。

CO is a dangerously poisonous gas that is emitted into the air in relatively large quantities by the automobile engine.

一氧化碳(co)是一种由汽车发动机以相对大的量排放到空气中的危险污染气体。

Whole system is sealed, preventing escaping of poisonous gas. Automatic reagent change, automatic discharge waste water.

系统全封闭，可自动更换溶剂和排出废液，避免有毒试剂外逸。

In my opinion, we should work out concrete solutions to the problem of pollution from poisonous gas given off by automobiles.

在我看来，我们应该找出问题的具体解决方案的有毒气体污染的汽车。

As more and more cars are produced and used, so the emission from their exhaust-pipes contains an ever larger volume of poisonous gas.

随着越来越多的汽车被制造和使用，这些汽车排气管里的排放物所包含的有毒气体的总量也越来越多。

A colorless, spontaneously flammable poisonous gas, PH3, having a fishy odor and used as a doping agent for solid-state components.

磷化氢，三氢化磷一种无色的、易自燃的有毒气体，ph3，有象鱼的气味，可用作。

Scientists believe the rubberized surface found in many school and college playgrounds gives off a poisonous gas in strong sunlight.

科学家发现，很多中学或大学操场的塑胶表面会在强烈光照下散发出有毒气体。

Used in the poisonous gas purification, waste gas treatment, industrial and life water purification processing, solvent recovery, etc.

用于有毒气体的净化，废气处理，工业和生活用水的净化处理，溶剂回收等方面。