注浆管压浆护壁挖孔法
mud-jack with grouting tube and boring protected wall method
闭口型压型钢板
re-entrant trough profiled steel sheeting
闭口型压型钢板—混凝土组合板
Composite Slabs with Closed Profiled Steel Sheeting
超轻型压型钢板
ultralight profiled steel sheet
垂直压密注浆钢管桩
vertical steel pipe pile for compressed mortar
钢管压力成型
steel pipe stamping forming
型钢-钢管混凝土
hollow steel tube filled with steel-reinforced concrete
压力钢管
pressure steel pipe
pressure penstock
pressure pipe
steel penstock
steel penstocks
PENSTOCKS
steel bifurcated penstock
pressune steel pipe
high-strength penstock
penstock
penstoek
压力钢管制作安装
making and installing penstock
引水压力钢管
diversion pressure steel pipe
penstock
water pilot pressurized Steel pipe