four – phrases

Terms for subject Chemistry containing four | all forms | exact matches only

English	Chinese
four bar mechanism	四连杆机构
four-circle diffractometer	四圆衍射仪
four-dimensional form of Maxwell equations	麦克斯韦方程的四维形式
four dimensional spacetime	四维时空
four electrode system	四电极体系
four-electron ligand	四电子配体
four element theory	四元素学说
four hearth furnace	四膛炉
four-membered rings	四节的环
four way cock	四通栓塞
four way plug valve	四通塞阀
Gleason four-square test	格来逊试验极压润滑油