“第二类约束”概念、定义、翻译-科学时代

单词	第二类约束
释义	机械工程词汇手册 second-class constraint 第二类约束
随便看	diaphragm metering pump diaphragm plate diaphragm pneumatic tank diaphragm pressure gauge diaphragm propellant tank diaphragm pump diaphragm regulator diaphragm setting lever diaphragm shutter diaphragm-spot diaphragm type compressor diaphragm type pressure gauge diaphragm valve diaphragm valve diaphragm valve diaphysectomy diaphysis diaphysis diaphysitis diapir diapir diapiric feature diaplacental infection diapositive diapositive

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

second-class constraint