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1·Arsenic can be transformed into volatilizable arsenic by microorganism in the soil and transferred to atmosphere.

微生物的作用可以使土壤中砷转化为气态砷化物而挥发到大气中。

2·Eluants used in eluting chromatographic separation of crude oil family compositions are noxious and volatilizable.

原油族组成洗提层析分离中使用的洗脱液有毒性、易挥发。