By 1978, in the USA, the use of CFCs in aerosol propellants was banned.美国自1978年起禁止在喷雾剂压缩气体中使用含氯氟烃。They sprayed aerosol insect repellent into the faces of police.他们将喷雾驱虫剂喷在了警察的脸上.Cases of anisocoria have been reported fro...
An aerosol spray will make short work of painting awkward objects.用喷罐来喷涂，不好对付的物品也能轻松搞定。They sprayed aerosol insect repellent into the faces of police.他们将喷雾驱虫剂喷在了警察的脸上.When writing about aerosol one is continually invited...
Its features are normative, qualificative, operable, inheritable and changeable.它的特征是规范性 、 限定性 、 可操作性 、 传承性和变迁性.It's the cardan joint that transfers the torque in a changeable angle.万向节能够实现可变角度的扭矩传递.The weather is v...
哮喘 、 气肿 、 结核病 、 胸膜炎或其他肺部疾病?Asthma, emphysema, tuberculosis, pleurisy or other diseases of the lungs?决大多数的气肿会自行吸收,只要避免擤鼻涕 、 喷嚏等动作,并给予预防性抗生素.However, visual complication may occur if a check - valve effect develops.气肿因空气滞留...
Differences in measurement data were compared with LSD analysis of variance.计量资料差异比较采用LSD方差分析.LSD may act by inhibiting the action of serotonin.致幻剂LSD的药效就是抑制了血清素的作用.Measurement data were compared with LSD and SNK methods...
She has streaky fair hair and blue eyes.她有一双蓝色的眼睛，头上有一缕缕的金发。The wallpaper was streaky with grease.壁纸上道道油渍。The dress has faded so much that the color is streaky.这件衣服褪色得很厉害,所以颜色都不均匀了....