单词	ballast body
释义	ballast body 道碴床
随便看	active document server active document support active DO-loop active Doppler velocity sensor active draft active drag head active drain hold-up tank active drains pump active drain tank active drawing active drift active drive active driver active dry yeast active dune active dust active duties active duty active-duty activeduty active duty for special work active duty for training active dydrogen compounds active earth active earth pressure 勋4 勌勍勎勏勐勑勒勒3 勓こうざこうざ【口座】こうざ【講座】こうざ【高座】こうざいこうざいこうざいこうざい【功罪】こうざい【絞罪】こうざい【鋼材】