Be familiar with basic principles and methods of metal machining and equip with basis of knowledge of machining process.

熟悉金属机械加工的基本原理与方法，具备机械加工工艺基础知识。

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A basic structure along with architectural elements (such as metal facade, Windows etc) were the scene's basis.

基本结构和建筑元素(如金属立面、窗等)才是场景的基础。

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On the basis of T551 and T561, a new metal deactivator with high efficiency (copper corrosion inhibitor) have been preparated by Weihua co.

在T551和T561的基础上，研制出新的高效金属减活剂(铜腐蚀抑制剂)，解决了高硫极压剂的不足，使铜腐蚀达到1级。

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Yet gold has risen stoutly when valued in euros or sterling and some gold market participants said buying the metal basis those currencies could give an investor better upside potential.

FORBES: Gold Survey Participants See Higher Prices On Greek Woes

In the meantime, a physical-platinum trader said whereas the metal has been hurt by speculative trading on the basis of worries about future auto demand, actual industrial demand so far has been somewhat resilient.

FORBES: Platinum/Gold Spread Offers Trading Opportunity, But Timing Could Be Difficult