The invention discloses a hydraulic driven side powder metallurgy die carrier.

本发明公开了一种液压驱动侧置的粉末冶金模架。

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Comparative Analysis of Electric drive top drive drilling system and hydraulic driven top drive drilling system.

对比分析电驱动顶驱和液压驱动顶驱。

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The invention provides a hydraulic driven four-roller plate bending machine, which relates to a plate bending machine.

一种液压驱动四辊卷板机，它涉及一种卷板机。

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But globally gas price rises have been curbed by increasing supplies of unconventional gas, driven from shale by hydraulic fracturing, also known as fracking.

FORBES: Shale Gas Takes Off In The UK

All planes have batteries, but the Dreamliner needs especially powerful ones because its control systems are driven entirely by electrical signals in place of the hydraulic controls seen on earlier generations of jet.

BBC: Boeing 787: Dreamliner's lithium ion batteries probed