该机主要用于完成对各种粉未状物料的自动计量和充填工作。

This screw filling machine can accomplish the course of measuring and filling many kinds of powdery matter.

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研究传统法和根测仪法确定根管工作长度后行根管充填的效果，评价两者的准确性和优缺点。

To study the effect of root canal filling after confirm the canal working length by using traditional method and endometer method, and to evaluate their veracity, advantages and disadvantages.

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本文全面地介绍了碎石混凝土抛掷充填工艺，并阐述了PC - 1型抛掷机的结构、性能和工作原理。

This paper fully describes the filling process and introduces the structure, performances and operation principle of ModeI PC-1 thrower.

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