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- The ball is filled with gaseous mixture. 那个球充满了气体混合物。
- gaseous DDTs 气态DDTs
- The house is regularly spraying with DDT. 房屋是定期用DDT喷洒。
- A gaseous anesthetic, such as nitrous oxide. 气体麻醉剂一种气态的麻醉剂，如一氧化二氮。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- A substance is in liquid state if it is neither gaseous nor solid. 一种物质和果它既不是气态，也不是固态，那它一定以液态形式存在。
- Air whether in the gaseous or liquid state is a fluid. 空气，无论是气态的还是液态的，都是一种流体。
- In DDTs the residual level of p,p? DDTs中p,p?
- Of definite shape and volume; not liquid or gaseous. 固体的固定的形状和体积的; 不是液体或气体的
- DDTs and HCHs serum level were detected by EC-ECD. 运用GC-ECD方法检测血清中有机氯农药DDTs和HCHs水平。
- Fumigants are pesticides acting in gaseous phase. 熏蒸剂是以气体形式作用的农药。
- A gaseous asphyxiant, irritant, or poison. 毒气气态的使人窒息物、刺激物或毒物
- A gaseous fuel, such as natural gas. 气体燃料处于气态的燃料，如天然气
- Congress then banned the use of DDT in1972. 国会因而在1972年立法禁止使用滴滴涕。
- A substance in the gaseous state. 气体处于气态的物质
- Having the form of gas; gaseous. 气体的以气体的形式存在的；充满气体的
- Any of various hydrocarbon pesticides, such as DDT, that contain chlorine. 有机氯一种含氯的碳氢化合物杀虫农药，如滴滴涕杀虫剂
- In 1873, the chemical DDT was first synthesized. 1873年，化学物质滴滴涕（DDT）首次合成。
- These insects have become resistant to DDT. 这些昆虫对ddt已有抵抗力。
- Many insects have became resistant to DDT. 很多昆虫对DDT都有了抵抗力。
