英语词汇“jack arm”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	jack arm
释义	jack arm 起重平衡臂
随便看	disc free space disc free space map disc friction disc-friction disc friction clutch disc friction gear disc friction loss disc friction losses disc friction press disc friction wheel disc frieze disc front connection disc fungi disc furrower disc fuse discg disc gage disc game disc-gap-band parachute disc gauge disc gear cutter disc gearing disc gel disc gel electrophoresis disc gel electrophoretic stain