We have been a well-known trading & engineering company in China and specialized in the import business of various kinds of mechanical, electrical and instrumental products from worldwide.

烟台恒邦化工有限公司是一家专业生产化工原料的公司，有自营进出口权，我们生产的甲酸钠质量好价格适中。

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The state of instrumental analysis for petroleum products in recent years is reviewed and future directions are discussed.

对近年来用于石油产品仪器分析方法的现状进行了评述，并探讨了发展趋势。

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Technical innovation is instrumental in improving the qualities of products.

技术革新有助于提高产品的质量。

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Jobs was instrumental in the success of products like Mac, iPod, iPhone and iPad that thwarted competition from Google, Microsoft and others to become one of the most valued companies in the world.

FORBES: Apple Faces Innovation Question As It Moves From Steve Jobs To Tim Cook