单词	water grade
释义	water grade 水力坡度
随便看	straight peroxide cure straight piecework system straight piece-work system straight pin straight pin porcelain insulator straight pins straight pin teeth straight-pin teeth straight pin terminal straight pipe straight pipe heat loss straight pipe injector straight pipeline straight pipe-line straight pipe nozzle straight pipe tap straight pipe thread straight pipe union straight platen straight platinum ore straight play straight plowing straight ply conveyor belt straight pneumatic chipping hammer straight pneumatic drill