The deposit occurred in the exocontact of east Zhongchuan rock body, and is near the stratigraphic contact belt between Middle Carboniferous and Middle Devonian.

矿床产于中川岩体东外接触带内，处于中石炭统与中泥盆统的接触带附近。

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A belt grinding contact wheel made from rigid and flexible material is adopted, performing both machining and polishing functions.

该方法采用了一种刚柔组合的砂带磨削接触轮，兼有切削和抛光的功效。

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Dongping gold deposit occurs in the internal contact belt between Shuiquangou alkali mixtite and old layers.

东坪金矿床赋存于水泉沟碱性杂岩体与老地层的内接触带上。

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Its no-contact drive system uses an advanced low-noise motor and geared belt to ensure control over speed while filtering out vibration.

FORBES: EAR Disc Master Turntable