引流管 ddrain pipe; draft tube; drainage catheter; drainage-tube; draining sinus; draught tube; rubber drainage tube 引流瓶 drainage bottle .
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draught tube gate 通风管闸门
reinforced concrete draught tube 钢筋混凝土尾水管
pier draught tube 单墩尾水管
spreading draught tube 扩大式尾水管
singlepier draught tube 单墩尾水管
draught tube bend 尾水管弯头
single-pier draught tube 单墩尾水管
one-pier elbow draught tube 单墩肘形尾水管
propeller mixer with draught tube 吸管推进式混合器
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