钻石钻头;
According to the character of drilling in exploration engineering, we have manufactured a pattern diamond bit.
根据勘探工程钻进的特点, 研制开发了一种新型的金刚石钻头.
Diamond bit has advantages in structural characteristics and technology.
金刚石钻头在结构特点和技术方面具有优势.
The domestic market of diamond bit has very much development space.
国内金刚石钻头的市场极具有发展空间.
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