Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/4274a811af7a21c60903e59b2722e6a5.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 calibrated buret例句_calibrated buret英汉例句_calibrated buret双解例句_按摩法牛津词典
High-quality buret have a venting-mechanism with which they can be very easily refilled with the exact volume for which the buret is calibrated. 高級的滴定琯都有一種抽液功能使它們每次在滴定完畢時可以很精確地將滴定液加到精確的刻度。