冲杆

In the commonly used positive cycle of drilling, the mud pump is to rinse the surface with water medium ─﹑ mud or polymer washing fluid at a certain pressure, through the high-pressure hose taps and drill column ﹑ center hole in the bottom of the direct-drill in order to achieve Cooling ﹑ be cutting down the drill cuttings removal and transport to the surface purpose.

在常用的正循环钻探中﹐泥浆泵是将地表冲洗介质─清水﹑泥浆或聚合物冲洗液在一定的压力下﹐经过高压软管﹑水龙头及钻杆柱中心孔直送钻头的底端﹐以达到冷却钻头﹑将切削下来的岩屑清除并输送到地表的目的。

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Generate considerable thrust. The catapult officer releases the pistons, the force causes the holdbacks to release, and theforward.

弹射指挥员释放活塞后，巨大的拉力将牵引释放杆拉断，巨大的蒸汽压力猛烈地撞击着滑块拖动着飞机向前冲去。

Other amenities include stainless-steel hardware, flush rod holders, a transom door, locking hatches to access an in-deck 14 cubic feet insulated fishwell with a macerator pump and a pair of insulated stowage wells, with provisions to convert one of the compartments into a deep, rounded 40 gallon livewell.

其他设施包括不锈钢的硬件，冲水杆持有人， transom门，锁定舱口进入一，在甲板上一十四立方英尺绝缘fishwell与macerator泵和一对绝缘装载水井，与条文，以转换其中的隔间成深，四舍五入四十加仑

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。