device drawing是什么意思

用法例句

Study on time/pressure test equipment;

时间/压力试验装置的研究

A equipment for rapid detecting human nuclide aerosol concentration in high radon;

高氡背景下人工核素气溶胶快速监测装置

Improvement and status of active carbon fiber basket equipment for solvent recovery;

笼式活性炭纤维溶剂回收装置现状与进展