本文介绍了确定形心位置与上下辊速比的计算方法。
In the paper the calculation method of form center position and velocity ratio of upper and lower rolls was introduced.
麻黄碱盐类存于麻黄草草心，用双辊碾压机将麻黄草表皮碾破，可使浸取速率提高十倍以上，通过喷淋浸取获得澄清的浸取液。
The epidermis of ephedra herbs was broken by crashing roll so as to raise the extraction rate of ephedrine by more than ten times. The liquid from sprinkling extraction was clear.
导向辊 的作用是对带液心的铸坯起支撑作用和导向作用，同时也是在开浇时对引锭杆进行支撑和导向。
The guidance roller supports the dummy bar when the casting process is just started. It also supports the soild state billet with liquid core and guides the billet direction in the casting process.
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