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...
The material is readily prepared by reaction of formaldehyde and hydrazine.这种物质很容易由甲醛和肼反应而得到.Examples of such fuels are monomethyl - hydrazine and diborane.这种燃料的例子是一甲肼和二硼烷.Hydrazine perchlorate and lithium perchlorate fo...
Her bestseller "Peachtree Road" is soon to be made into a television mini-series.她的畅销小说《桃树路》不久将被拍成一部电视系列短剧。Men on horseback dashed out of side streets pell - mell down Peachtree toward Hood's headquarters.骑马的男人们乱糟糟地...