Terms for subject Одобренный термин containing as... as

English	Chinese
a-contact	又称常开触头 (normally open contact)
a-contact	关合触头
equivalence class of extensions of a group	群扩张等价类
occupy a ground space of 180 by 120 sq. ft	占地面积 180 120平方英尺
The proton has a mass of 1.672*10⁻²⁷kg.	质子质量为 1.672 10⁻²⁷千克。