单词	梯度方向
释义	梯度方向gradient direction
随便看	hollow-faced blade section hollow fiber hollow fiber hollow fiber membrane hollow fiber membrane hollow-fiber module hollow fiber permeator hollow fiber technique hollow fibre hollow fibre dialysis membrance hollow fibre gases separating membrane hollow fibre membrane hollow fibre microfiltration membrane hollow fibre reverse osmosis membrane hollow fibre ultrafiltration membrane hollow filament yarn hollow flank worm hollow font hollow foot hollow-forge hollow-forged hollow forging hollow-forging hollow grate bar hollow gravity dam