矿用筛分设备 （ mining screen）的种类有很多，有一般的筛分设备，如滚筒筛；也有振动频率稍高的筛分设备，如圆振动筛、直线振动筛；还有的频率更高，那就是高频...
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mining screen
矿业屏幕
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Once known as Minnesota Mining and Manufacturing, 3M makes products as varied as Post-it Notes, stethoscopes, touch-screen displays and security devices.
FORBES: Here's Why You Should Buy 3M's Plummeting Stock
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