canal with concrete lining
衬砌渠道
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U-shape canal lining with concrete
大型U形渠道
U-shape canal with concrete lining
U形衬砌渠道
anti-seepage with lining canal
渠道防渗
lining canal with double films
双层薄膜防渗衬砌渠道
channel with concrete lining
衬砌渠道
canal concrete paver
渠道衬砌机
渠道混凝土浇筑机
canal lining
渠道衬砌
渠道
渠道衬砌防渗
衬砌
渠道防渗
canal lining block
渠道砌体
canal with U-shape section
U形渠道
Drink water from a winding canal with one wine cup
曲水流觞
narrow canal with wide beach
窄槽宽滩
self-adjusting lining canal
适变断面渠道
trapezoid canal with arc-bottom
弧底梯形渠道
Additive for asphalt concrete with high modulus
高模量沥青混凝土外掺剂
arch bridge reinforced with concrete-filled steel
钢管混凝土劲性骨架拱桥
arch bridge reinforced with concrete-filled steel tube
钢管混凝土劲性骨架拱桥
BDF box with concrete filmy wall
BDF水泥薄壁箱体
C60 concrete with machine-made sand
C60机制砂混凝土
canyon topography with lining
位移幅值
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