在自由开口端，考虑了全部可能的出流及入流情况。
客户端已经推断出很多。
物料直接通过螺旋输送机槽体端部的开口卸出。
The material through an opening at the bottom of the spiral groove directly fall.
阴极射线管具有用以出射光线的光出射端。
The cathode ray tube has the light emitting end that is used to emit ray.
阴极射线管具有用以出射光线的光出射端。
The cathode ray tube has the light emitting end that is used to emit ray.
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