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首頁 > directional

SY/T 5955-2018 定向井井身軌跡質(zhì)量 The trajectory quality of directional wells2024-02-24

KS F ISO 17497-2-2017 Acoustics. Sound scattering properties of surfaces. Part 2 : Measurement of the direc...2023-10-29

DIN EN ISO 21225-2-2019 Plastics piping systems for the trenchless replacement of underground pipeline netw...2023-08-10

DL/T 5776-2018 水平定向鉆敷設(shè)電力管線技術(shù)規(guī)定 Technical regulation for laying power pipes by horizontal dire...2023-07-14

DIN EN 2850-2018 Aerospace series - Carbon fibre thermosetting resin - Unidirectional laminates - Compressi...2023-06-15

GB/T 39831-2021 液壓傳動規(guī)格02、03、05、07、08和10的四油口疊加閥和方向控制閥夾緊尺寸 Hydraulic fluid power...2023-06-15

BS EN ISO 21225-2-2018 Plastics piping systems for the trenchless replacement of underground pipeline netwo...2023-06-11

EN 2850-2017 Aerospace series. Carbon fibre thermosetting resin. Unidirectional laminates. Compression test...2023-05-14

GB/T 17980.127-2004農(nóng)藥田間藥效試驗(yàn)準(zhǔn)則(二)第127部分;除草劑行間噴霧防治作物田雜草Pesticide-Guidelines for ...2022-06-08

GB/T 19361-2021電火花線切割機(jī)床（單向走絲型）精度檢驗(yàn)Wire electrical discharge machines（unidirectional traveling...2022-03-14

Modeling of Microstructure Evolution during Directional Solidification Process2020-11-10

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