1. The
pasty propellant is a new kind of chemical propellant derived from solid propellant.
膏体推进剂是由固体推进剂衍变而成的一种新型化学推进剂。
2. The ignition and combustion characteristics of
pasty propellant are important parameters for the motor design.
膏体推进剂的点火和燃烧特性是发动机设计的重要参数。
3. IT HAS been the common wisdom for decades and the mantra of the pale and
pasty who would rather not get hot and bothered: stay out of the sun to avoid getting skin cancer.
远离太阳照射以避免患上皮肤癌，十几年来，这已经成为了那些不愿接触到热浪和烦恼的面色苍白黯淡的人的颂歌和至理名言。
