back haunch fillet of arch
... arch back 体后屈 ; 有弧度的底部 back haunch fillet of arch 护拱 back-bone style arch structure tent 脊骨式拱架帐篷 ...
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短语
预支护拱法
pre-supporting system
钢筋混凝土护拱
Reinforced concrete inner arch
拱角护条
arch corner bead
倒拱式护墙
Counter-arched revetment
拱形护理架
Arch nursing frame
锚网拱喷支护
anchor arched association stick
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