The dowtherm design depends on the characteristics of dowtherm and polyamide production process.必须根据导生的特性及聚酰胺生产的工艺特点,选择合理的设计方案.Verify all the equipments and pipelines of the Dowtherm system are in good condition.检查加热炉运行系...
temperamental moods易激动的心情A maze of desires, emotions ripened prematurely languorous and listless moods, all written on my face.错综的心愿, 早熟的感情,太多冷漠的情绪, 全写在脸上.Her moods oscillated between depression and elation.她的情绪时而抑郁，时而亢奋...
She ran her fingers through her hair; it felt lank and dirty.她用手指梳了梳自己的长发，头发摸起来又油又脏。She had lank hair and sallow skin.她头发平直，皮肤发黄。I've got lank work to do.我有很多工作要做。...