Driving a car is actually a pipe course though it seems quite difficult for a greener.

开车对于一个生手来说看起来很难，实际上却是一件容易的事。

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By using the special ram-extruder, the temperature and pressure in the extrusion course can be ensured and the pipe of high quality and low cost can be obtained.

使用专用的柱塞挤出机，保障挤出过程中所需的温度和压力，可以得到高性价比的管材产品。

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The results revealed the changing laws of the velocity of waste plastics particles and gas, the volume fraction of the waste plastics along the pipe range in the course of pneumatic conveying.

模拟结果揭示了废塑料气力输送过程中废塑料颗粒速度、气体速度和颗粒体积分率沿管长的变化规律以及管径的改变对废塑料颗粒体积分率的分布和固气比的影响。

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Thus, the primary issue in the case is whether Cuban entered into an agreement with the company to maintain the confidentiality of the PIPE and not to sell his shares in Mamma.com during the course of these conversations.

FORBES: Twists, Turns, PIPEs, And Screws: Insider Trading And Mark Cuban