Widely used in chemical industry, metallurgy, machinery, electronics, Oil, mining and other industries supporting products.
广泛用于化工、冶金、机械、电子、石油、矿山等行业配套产品。
2
Purpose of the study is to build supporting basic equipment for the science of petroleum mining machinery, and provide fundamental experimental platform for the study on oil-drilling rig.
研究目的在于为我校的石油矿场机械学科建设配套基本设备，为从事石油钻机机械研究提供一个基础实验平台。
3
In the design graphics of agricultural machinery, we often deal with a oblique rod which plays a supporting role. In assembly drawing it is difficult to determine the form and position of the rod.