external drum imagesetters 外滚筒式照排机
internal and external drum plotters 内外滚筒扫绘图仪
external drum CTP 外鼓式CTP
Drum drying is a continuous operation process to heat and dry materials or strip shaped materials attached on external wall of the drum by heat transfer method when the drum is rotating.
转鼓干燥是通过转动的转鼓，以传热的方式，将附在转鼓外壁的物料或带状物料进行加热干燥的一种连续操作的过程。
The static analysis including external drum, internal drum, distribution head etc, provides a reliable basis for designing the components of rotary pressure filter.
包括对外转鼓、内转鼓、分配头等进行静力分析，为加压转鼓过滤机零部件设计的可靠性提供一定的依据。
Results After 5~10 years follow-up, external auditory canal was eumorphism, drum membrane was keeping physiological obliquity, epitympanum has not depressed;
结果经5年以上（最长10年）随访观察，外耳道形态正常，鼓膜保持生理倾斜度，上鼓室无凹陷；
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