双管线的英文

• twin pipe line

• 双    two; twin; both; dual
• 管线    line pipe; lead-out
• 双管    double-barrelled◇双管采油 dual tubing oil recovery; 双管机枪 machine gun; 双管空气调节系统 dual duct air conditioning system; 双管冷却管 coiled-cooling; 双管立式喷雾器 duplex vertical sprayer; 双管枪 double-barrel; 双管竖笛 double flageolet; 双管直接回水(供暖)系统 two pipe direct return system
• 管线    line pipe; lead-out◇管线安装 pipelining; 管线泵 in-line pump; 管线测量 pipeline survey; 管线敷设 pipelining
• 双管板    double tube sheet; double tubesheet; double-tube sheet
• 双管道    twin circuit
• 双管的    double-barreled
• 双管法    double-tube method; two-shore method
• 双管枪    double barrel; double-barrel
• 双管式    double hose
• 双管型    bitubular form
• 双管藻    multisiphonia
• 双管孢    blasteniospore
• 双管绡    brocade georgette
• 三极双管    triple twin tube
• 双管采油    dual tubing oil recovery
• 双管稠油泵    dual string thick oil pump
• 双管道系统    double duct system
• 双管队道    twin tube tunnel
• 双管阀门    twin-hose valve
• 双管封隔器    dual packer
• 双管高射炮    double-barreled antiaircraft gun
• 双管涵洞    double pipe culvert
• 双管焊接    double-jointing
• 双管焊接机    d.j. machine; double-jointing machine