Single-motor construction, simple screw tube design, few operating.
单电机，螺纹管设计：结构简洁，传动件少。
High temperature single type electric heating tube in the production need to be very fine.
高温单头式电热管在制作上需极为精细。
High temperature single type electric heating tube in the production need to be very fine.
高温单头式电热管在制作上需极为精细。
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