Hppler (rolling ball)viscosimeter
[化] 郝普勒落球粘度计
🗣️ 情景例句
Don't be so grumpy.
别总这么爱抱怨。
It won't work.
行不通。
The platforms extend to a depth of over 100 feet under the sea.
平台深入海底100英尺。