对采用走廊回风的实际工程进行了洁净度检测，结果表明走廊回风是可行的。
Measures the clean class for a practical engineering adopting air return from corridor, and the results show that the mode is feasible.
方法采用检测空气中尘埃颗粒的方法对洁净室各种动态情况下洁净度进行了监测。
Methods the method for examining dust particles in air was used to monitor the cleanliness of clean room under conditions of various activities.
研究表明，利用超声波在线检测液态金属洁净度是可能的。
From theexperiment results, it can be concluded that acoustic waves can be used to detect the inclusions inliquid metal directly.
研究表明，利用超声波在线检测液态金属洁净度是可能的。
From theexperiment results, it can be concluded that acoustic waves can be used to detect the inclusions inliquid metal directly.
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