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- To test detection of vinylacetate in air of workshop with gas chromatography. 本文主要探讨用气相色谱测定车间空气中醋酸乙烯酯的方法。
- Objective To study the analysis method of samples including a combination of dimethylformamide, undecane and butanone in the air of workshop. 研究工作场所环境空气中二甲基甲酰胺、十一烷和丁酮混合物一次吸附、一次分离的定量分析方法。
- His modesty [air of joviality] was all put on. 他的谦逊[愉快的样子]都是装出来的。
- He come into the room with an air of importance. 他带著一副了不起的神情走进室内。
- There is an air of abstraction in her face. 她脸上带着一种心不在焉的神态。
- Objective To establish direct injection gas chromatography for determination of N-butyl glycidyl ether in the air of workshops. 目的建立工作场所空气中正丁基缩水甘油醚的直接进样气相色谱测定方法。
- The dark trees lent an air of mystery to the scene. 阴暗的树林给景色带来几分神秘。
- He answered with an air of detachment. 他以超然的神态回答。
- Design and complete the layout drawing of workshop. 设计完善车间工艺平面布置图。
- He came into the room with an air of importance. 他带著一副了不起的神情走进室内。
- There was an air of mystery in the house. 屋内有种神秘的气氛。
- Tom finished the sentence with an air of pique. 汤姆有些生气地说完这句话。
- There was an air of romance about the old inn. 这家老客栈颇有些浪漫气氛。
- The air of a big city is often impure. 大城市的空气往往是污浊的。
- Jack's countenance assumed an air of seriousness. 捷克装出认真的表情。
- He had an air of haughty aloofness. 他有一种高傲的神情。
- Therefore, we must advocate the forming of workshop committees. 因此,我们应该提倡组织车间委员会。
- There was an air of excitement at the meeting. 开会时气氛显得有些兴奋。
- Report of malfunction and damange of workshop equipment and tools. 工具和设备的损坏要向上级汇报。
- Their assumptions of an air of confidence fooled nobody. 他们装出信心十足的样子却欺骗不了任何人。