词汇	tetrahedral symmetry
释义	tetrahedral symmetry 四面体对称性
随便看	flexible drive coupling flexible drive mechanism flexible drive mechanism with chain adjuster flexible drive mechanism with chains flexible drive mechanism with V-belt flexible driven gear flexible drive plate flexible drive reversing gear flexible drive shaft flexible drive shaft transmission flexible drive speed-changing gearing Flexible driving flexible driving suspension flexible dropchute flexible-drop chute flexible DSC flexible DSSC flexible dual-arm space robot flexible dual-function FCC flexible duct flexible dummy bar flexible duty Flexible dynamic analysis flexible dynamics flexible ebonite