大口径厚壁钢管
largy-diameter thick-walled tube
大直径厚壁钢管
large diameter thick wall steel tube
钢管壁厚
wall-thickness of steel pipe
厚壁钢管
heavy thickness steel pipe
Heavy-wall steel pipe
heavy section steel tube
hea vy-wall tube
小直径厚壁钢管
Small-sized heavy-wall steel tube
预应力高强度砼管桩(PHC管桩)
precast high-strength concrete tubular pile (PHC tubular pile
X70高钢级大壁厚钢线钢管
high grade and thick wall X70 linepipe
包壳管壁厚
cladding tube wall thickness
变壁厚钢储罐
tapered steel storage tank
大壁厚X80管线钢
thick-wall X80 linepipe steel
大口径厚壁管
big diameter and thick wall pipe
Large-sized heavy-wall tube
大直径厚壁管
large diameter thick-walled tubes
伽马密度－套管壁厚测井
gamma density-casing wall logging
gamma density-logging casing wall thickness
钢板或钢管厚度负偏差
thickness tolerance of steel plate of pipe