词汇	back-up water
释义	back-up water 补给水
随便看	specially selected individual specially-shaped specially shaped column specially-shaped column specially shaped column frame structure Specially shaped columns specially shaped electroplated diamond products specially-shaped scew specially slender grit specially structured families specially structured integer programming specially surfaced metal Specially there was no difficulty specially-trained Specially-trained dogs can smell out drugs specially urgent speciallzed experiment special machine special machine for cut-off aluminum special machines SPECIAL MACHINES AND TRANSFER LINES special machine tool special machining special machining apparatus Special Machining of Deep Eyelet