pressurant gas造句

例句与造句

1. So, for example, a typical design for a minimum mass tank to hold helium ( as a pressurant gas ) on a rocket would use a spherical chamber for a minimum shape constant, carbon fiber for best possible \ rho / \ sigma, and very cold helium for best possible M / { pV }.
2. It's difficult to find pressurant gas in a sentence. 用pressurant gas造句挺难的