Glass rod grinding can improve the concentration of protein;
玻璃棒研磨能够提高蛋白质的浓度；
Finally he bought a pint of pure glycerine and a glass rod a foot long.
最后他又买了一品托纯甘油和一根一英尺长的玻璃棒。
Spread head, glass scrubber, telescoping rod, water bucket, glass detergent, clean water, wiping cloth.
喷头、玻璃刮、升缩杆、水桶、玻璃清洁剂、清水、抹布。
Spread head, glass scrubber, telescoping rod, water bucket, glass detergent, clean water, wiping cloth.
喷头、玻璃刮、升缩杆、水桶、玻璃清洁剂、清水、抹布。
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