泵杆

Top quality hydraulic pump with welded construction,Hard chrome plated pistion and pump plunger ensuer durability and corrosion resistance .

液压缸体为整体铸件结构，密封性强、柱塞杆、泵芯镀硬铬，耐磨、耐腐蚀。

Top quality hydraulic pump with welded construction,Hard 菌 chrome plated pistion and pump plunger ensuer durability and corrosion resistance.

液压缸体为优质钢焊接而成，柱塞杆、泵芯镀硬铬，耐磨、耐腐蚀。安全阀过载保护。超高强度货叉结构具有满载慢降、空载快降功能。

About 20 percent of the oil wells use rodless botttom hole pumps to exploit.

大概有20%的油井使用无杆泵采油技术。

This model is suitable not only to the vertical well but also to the deflecting one.

由于螺杆泵在运动过程中存在大量的非

These screws are for plasticizing machines, pumps and conveyors.

生产的螺杆用於塑化机、料泵和输送机等用途。

These screws are for plasticizing machines, pumps and conveyors.

生产的螺杆用于塑化机、料泵和输送机等用途。

Well digging equipments, rock digging equipments, mining type pump ,wire rope , compressor, automobile drilling machine, anchor bolt trolley, concrete spurting machine; mining type elevating apparatus and integrated protection apparatus, elevating container, linking setting ,falling-proof setting, racing car protection setting, chain, supporting roller, belt conveyer, conveyer belt ,chain and flight machine, transshipping machine carry-scraper, excavator, automatic unloading machine and other non-track apparatus and track transporting apparatus; mining type winch, tramcar, heavy mining type transporting vehicle and various electronic weighting apparatus.

基建施工技术装备及提升、运输设备：凿井设备、凿岩设备、矿用泵、钢丝绳、压缩机、汽车钻机、锚杆台车、混凝土喷射机、矿用提升设备及综合保护装置、提升容器、连接装置、防坠器、跑车防护装置、链条、托辊、皮带运输机、输送带、刮板机、转载机、铲运机、挖掘机、自卸车等无轨设备及轨道运输设备；矿用绞车、矿车、重型矿用运输车辆及各种电子称重设备。

It points out the necessity of tubing anchor in pumping well s,especially in deep wells.

定量分析了抽油机井油管自由悬挂可能造成的危害：降低泵效；油管柱振动加速了油管的疲劳破坏；油管屈曲造成套管、油管、抽油杆柱之间的多重磨损。

The Company's production in China has three screw pump oil, asphalt roads, chemicals, power, machine tools, chemical fiber, metallurgy, shipbuilding and other industrial sectors have a wider application, and was well received.

本公司生产的三螺杆泵已在我国石油、公路沥青、化工、电力、机床、化纤、冶金、造船等工业部门得到较广泛的应用，并得到一致好评。

Three-screw pump for delivery of fuel oil, lubricating oil, hydraulic oil, crude oil, asphalt and other similar liquid lubricating oil.

三螺杆泵适用于输送燃料油、润滑油、液压油、原油、沥青及其他类似油的润滑性液体。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。