- double barrel
- 双筒: binocular
- 枪: spear
- 平行管征,双筒枪征: parallel channel sign
- 双筒: binocular◇双筒井 double-bore well; 双筒立体显微镜 orthostereoscope; 双筒枪 double barrelled gun; double barrel; 双筒望远镜 binocular; field glasses; 双筒线圈 binocular coil
- 双筒的: binocular; double-barreled; dual drum
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