常見例句雙語(yǔ)例句With the main blade lifting screw, nut structure, stable and reliable.主鋸片升降采用螺桿, 螺母結(jié)構(gòu),平穩(wěn)可靠。In the light of the problems with artificial lifting by screw pumps, Model QYLB800-24C-DQ001 electric submersible screw pump is developed.針對(duì)螺桿泵舉升技術(shù)存在的問題,開發(fā)研制了一種QYLB800-24C—D Q001型電動(dòng)潛油螺桿泵。The upper end and the lower end of a lifting screw are in a double-self-aligning hanging structure with a self-aligning roller step bearing so that the stress state of the lifting screw is improved.提升螺桿上、下端采用調(diào)心滾柱止推軸承雙調(diào)心吊掛結(jié)構(gòu)改善提升螺桿受力狀態(tài)。ip.com 返回 lifting screw