This paper introduces a new type measuring head for operating the liquid level measurement in a gauge glass with lineal array CCD.

本文介绍一种使用线阵CCD进行玻璃管内液位测量的光电测量头。

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Adopting the method of the solid-liquid composite casting, the new type anti-impact and anti-wear hammer head, in witch the soft material and hard material are alternately arranged, were made.

采用固-液复合铸造的方法，制造出一种软硬材料相间、抗冲击及耐磨性能高的复合锤头。

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