Warning: file_put_contents(/www/wwwroot/zidian/02956.cn/cache/c13207fd141637950f37fbab2675c0f3.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/02956.cn/index.php on line 58 turbulency是什么意思，turbulency的翻译，turbulency音标、读音、用法和例句_花燈集英語字典
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... 充型過程中施加一定的真空度有利於減少針孔,但真空度太高則會促使鋁液産生紊流,反而增加鑄鋁件的針孔,降低其密度。