... field weakening 磁场削弱，磁砙跞 field-welded 工地焊接的；现场焊接，安装焊 field welding 工地焊接，现场焊接 ...
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The welding quality of field-welded girth joints of long-distance oil and gas transmission pipelines is the key to the quality and service life of pipelines.
油气长输管线现场环焊缝接头的焊接质量是决定管线质量、寿命的最根本要素。
Its welded black metal screens visually delimit the space and maintain the full depth of field of the entire volume.
其黑色金属焊接的屏幕视觉上划定了空间，维护整个体块区域的景深。
Using experimental mechanical method of moire analysis, strain field distributions of LY12CZ aluminum alloy welded joints under different conditions were investigated.
采用云纹分析的试验力学方法，研究了不同情况下LY 12 CZ高强铝合金焊接接头应变场的分布特点。
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