There are manual type, pneumatic type and hydraulic type WS spoolers for choice.

WS收线机分别有手动式、气动式、液压式的机型供用户选择。

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Motion state of the plate turnover machine of gear drive type, double-arm crank rocker type and hydraulic type has been analyzed deeply.

对齿轮传动式、双臂曲柄摇杆式、液压式翻板机的运动状态进行了较深入的分析。

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On the basis of original screw type, winding type and hydraulic type Headstock, a kind of dentate annul headstock is designed and manufactured.

在原有螺杆式、卷扬式和液压式启闭机的基础上，设计研制了齿销式启闭机。

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About 52 percent believed that national regulations over a type of gas drilling known as hydraulic fracturing, or "fracking, " should be enacted, while 51 percent said the government should continue to subsidize the development of alternative energy sources such as wind and solar power.

NPR: Economists Were Opposed To Automatic Spending Cuts