| 释义 |
vacuum environment
基本例句
真空环境
Because of the oilless self-lubrication characteristic in ceramic, the bearing may overcome lubrication problems in an ultra-highvacuum environment.因陶瓷材料独具的无油自润滑特性，故在超高真空环境中，可克服普通轴承无法实现润滑的难题。
The vacuum pump is used to provide avacuum environmentfor the freezing-drying cabinet and the condensers so as to enable the moisture in the materials to sublimate in the vacuum.真空泵的作用是给冻干箱和冷凝器提供一个真空环境，使物料的水份可以在真空下进行升华。 |