英语语法分析

Thee output of acetone and dichloromethane which raw material volatilized is little.

生产工艺过程产生的丙酮，原料挥发产生的二氯甲烷、丙酮等产生量较小。 缪。

To establish a gas chromatography method for solvent desorption of dichloromethane in the air of workplace.

目的建立工作场所空气中二氯甲烷的溶剂解吸气相色谱测定方法。

Atmospheric histories of halocarbons from analysis of Antarctic firn air: methyl bromide, methyl chloride, chloroform, and dichloromethane.

从南极永久性积雪空气分析大气卤烃的历史：甲基溴化物，甲基氯化物，氯仿和二氯甲。