A Knudsen cell can be used to measure ______ of a material.
A、themolarmass;
B、thetemperature;
C、vaporpressure;
D、averagespeed
发布时间:2024-09-25 19:39:02
A、themolarmass;
B、thetemperature;
C、vaporpressure;
D、averagespeed