英语词汇“gem gravel”的翻译、意思、用法、释义-英汉汉英词典

单词	gem gravel
释义	gem gravel宝石冲积矿床gem gravel寶石沖積礦床礦冶工程名詞
随便看	pressure containing terminal box pressure contour pressure control pressure--control pressure control circuit pressure control device pressure control equipment pressure control fuel system pressure controll-ed valve pressure-controlled valve pressure controlled welding pressure controller pressure controller signal pressure control machanism pressure-control relay pressure control system pressure control tool pressure control valve pressure-control valve pressure control valve (hydraulic) pressure control valve(hydraulic) pressure control valve[hydraulic] pressure control valve{=pcv} pressure control valve (pneumatic) pressure control valve(pneumatic)