Gas lift throwing-in and pulling matching device is an important component of gas lift production technique.

气举投捞配套装置是投捞式气举采油工艺的重要组成部分，在投捞式气举采油工艺中发挥着重要作用。

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As increasing of heavy oil component in raw oil and rising of light oil yield, this result in stricter requirement for lift pipe reactor of oil refining unit.

由于原料油不断重质化，而且要求轻质油收率不断上升，因此对炼油装置提升管反应器的要求更加苛刻。

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The magnitude of each velocity component and tangential velocity curve changed a lot and the changes were even more obvious along as increasing of the valve lift.

各速度的大小和切向速度分布曲线发生较大变化，并随升程的增大而更加明显；

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As much as Pfizer helped lift stocks, fellow Dow component Caterpillar was weighing on the market, after the construction equipment maker's fourth-quarter results came up short of estimates.

FORBES: Magazine Article