The current status of production of medium steel plate in China is de-scribed in detail.
详细叙述我国中厚板的生产现状。
This article introduces the current status of production, market demand and prospect of development to the organic silicon compounds in the world.
介绍了世界有机硅化合物的生产现状、市场需求及发展前景。
The structures and characters of present micro-sprinklers are summarized, current research and production status at hone and aboard are sum up.
总结了现有微喷头的几种结构形式及其结构特点，归纳了国内外微喷头的研究和生产现状。
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