词汇	principal post
释义	principal post 主柱
随便看	direct franchise direct fraud direct free kick direct freezing direct freezing desalination direct freight Direct Frequency Conversion direct frequency conversion circuit direct frequency modulation direct-frequency modulation direct frequency modulation system direct frequency phase modulation direct frequency synthesis direct frequency synthesizer direct fuel cell direct fuel cells direct fuel injection direct fuel injection system direct fulguration direct function Direct function description direct fund collection direct fuse direct fusing direct fusion