turbulency
基本解釋
- n. 擾動(dòng)
英漢例句
- The hollow sprue and suitable vacuum pressure is helpful to decreasing the pinhole,but,when the vacuity is too high,the liquid aluminum would become turbul...
充型過(guò)程中施加一定的真空度有利于減少針孔,但真空度太高則會(huì)促使鋁液產(chǎn)生紊流,反而增加鑄鋁件的針孔,降低其密度。