plug bearing 中文意思是什麼
plug bearing
解釋
芯棒圓柱形部分-
Water shutoff agent dsz - a is composed of inorganic particle. its specialities are low cost, easily flow, high strength and long valid period. the agent suits non - selective water shutoff in sand formation. dsz - a not only can plug high water - bearing formation, but also can plug case leakage. dsz - a has been applied on site and gotten good effect. it is a agent which has wide prospect
井下護泵除砂裝置主要用於產液氣量高，出砂能力大，利用常規裝置、常規方法很難治理的井.它的設計是建立在丟手封隔器卡封的基礎上，將液體攜砂能力由地層進入泵管轉變為先過濾（雙層激光割縫篩管部分） ，再在除砂器內靜態沉澱、由單流閥排入井底等一系列除砂護泵優點.本文著重介紹了井下護泵除砂裝置的工作原理與應用情況 -
Da traders specializes in accessory, battery, bolt and nut, brake shoe, cable camshaft, clutch and parts, c v joint, cylinders, fastener, fuel system, horn, ignition coil, lamp, mirror, motorcycle parts, oil seal, piston / ring / pin, relay, shock oxygen, shock absorber, sleeve, spark plug, starter, valve / guide / seat, wheel hub bearing / unit
該貿易公司主營螺栓和螺母，火花塞，輪轂軸承，附件，電池，剎車蹄，線束，凸輪軸，離合器，萬向節，喇叭，點火線圈，車燈，車鏡，摩托車配件，油封，活塞，活塞環，繼電器，減震器， ，起動器，氣門座圈，氣門導管。
分享友人