螺紋大徑 的英文怎麼說
中文拼音 [luówéndàjìng]
螺紋大徑
英文
crest diameter-
Abstract : factors causing the failure of the rod string in a screw pump well include rod with minor od being used ， defects in the rod body produced in manufacturing and service ， excessive torque caused by plugging and reactive torque on the rod string ， and excessive shearing stress on the rod thread
文摘:造成螺桿泵採油井抽油桿桿柱斷裂、脫扣和擼扣的主要原因有桿體外徑選擇偏小，桿體製造或使用過程中產生缺陷，堵塞扭矩過大，反扭矩大於螺紋聯接扭矩以及抽油桿螺紋牙受剪應力過大等。The company ' s main products include : ordinary - type, forward - and - backforward - thread typeandcalibre - changed type, three series and 50 - odd varieties of steel straight thread connecting sleeve piece and steel straight thread screw rolling machine, screw rolling wheel, cutting tool, reinforced thread head special gauge, moment spanner ect., auxiliary tools which are used in construction
公司主要產品有標準型、正反絲型、變徑型三大系列五十多個品種的建築用鋼筋直螺紋連接套筒和鋼筋直螺紋（剝肋）滾絲機及滾絲輪、切削刀具、鋼筋絲頭專用量規、力矩扳手等輔具。Bolts, large hexagonal head, normal or pitch diameter shank, long length mj threads, metallic material, coated or uncoated, strength classes less than or equal to 1100 mpa - dimensions
強度等級小於或等於1100 mpa的有塗層或無塗層長長度mj螺紋的由金屬材料製成的大六角頭標稱或節徑桿螺栓.尺寸Screw threads for drill tubes will diameters exceeding 100 mm for large hole boring in mining
采礦時大鉆孔用的直徑超過100mm鉆桿管的螺紋The results showed that when the dispersed phase droplet initial diameter was relatively large, the coalescence rate little varied as the dispersed phase droplet initial diameter changed and increasing the screw rotation speed and decreasing the output could obviously make for the dispersed effect
結果表明，當液滴初始直徑較大時，其集聚變化率隨著初始直徑的變化而變化較小；提高螺桿轉速和降低擠出機產量可以提高螺紋元件的分散效果。Bolted connections with reduced shank ; metric thread with large clearence, nominal dimensions and limits
帶縮徑桿的螺栓連接件.帶大間隙的米制螺紋.標稱尺寸Specification for unified screw threads - diameters 1 4 in and larger
統一螺紋規范.直徑為1 4英寸及更大Specification for unified screw threads. diameters in and larger
統一螺紋規范.第1和第2部分:直徑等於與大於1 4英寸分享友人