词汇	hydrogen cars
释义	hydrogen cars 氢车
随便看	mechanical agitating fermentation tank mechanical agitation mechanical agitation flotation machine mechanical agitation gettling pond mechanical agitation settling pond mechanical agitator mechanical aid mechanical aids to stowage mechanical air mechanical air circulation system mechanical-air forming machine mechanical air separation mechanical air separator mechanical air supply mechanical air supply system Mechanical alarm clock movement clD mechanical alignment mechanical alignment retention mechanical allocation mechanical allodynia mechanical allowance mechanical alloy mechanical alloyed mechanicalalloying mechanical alloying