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1·The Magnaloy PM90 coupling is made from high-density powdered metal offering high strength and low cost construction.

我们公司生产的这款PM90型号的弹性联轴器，采用高密度粉末金属制造，设备强度高，成本低。

2·We know that paint ink stains, it will give the ink to a certain color, gold and silver inks made of metal powder paint mainly powdered gold and silver powder the.

我们知道，颜料是油墨中的着色剂，它赋予了油墨一定的颜色，金、银墨中的颜料是由金属粉主要是金粉和银粉研磨而成的。

3·If air is used as a carrier for transporting the powdered substances (such as the coal dust, the metal mineral powder and the flour), explosions are easy to cause.

若以空气为载体运送粉状物质(如煤粉、金属矿粉、面粉)，容易导致爆炸。

4·Abdulmutallab successfully passed through metal detectors and hand luggage searches at both airports, allegedly by concealing powdered explosives under his clothes.

阿卜杜勒·穆塔拉在两个机场都成功地通过了金属检测仪和手提行李检测，但是他衣服内却藏有炸药粉末。