| 双子电刷 double split brush | | 双孔 diplopore | | 双孔定向耦合器 two-hole directional coupler | | 双孔构架 spectacle frame | | 双孔磁心 double-aperture core | | 双孔线圈 binocular coil | | 双孔花药 biporose anther | | 双孔透镜 double-aperture lens | | 双孔钻杆 dual-bore drill rod | | 双字 double word | | 双字母 biliteral | | 双字节 double byte | | 双字长累加 double-length accumulation | | 双字长运算 double-precision arithmetic | | 双季栽培制 double-crop system | | 双季稻 double-cropping paddy | | 双学位 double degree | | 双室炉 double chamber furnace | | 双室船闸 twin lock | | 双室调压室 double-chamber surge chamber | | 双宫丝 doupioni | | 双宫绸 doupioni | | 双宫茧 dupion | | 双宫茧丝 dupion | | 双宫茧缫丝 doupion reeling |
| | 双宾语 double-objects | | 双宿双飞 always keep each other's com... | | 双寄存器 pair register | | 双对偶 double dual | | 双对称 disymmetry | | 双对称色散 disymmetric dispersion | | 双对称面 disymmetric face | | 双导线 two-conductor line | | 双射 bijection | | 双射望远镜 catadioptric telescope | | 双射电源 double radio source | | 双尖镐 tubber | | 双层 double-deck | | 双层中空玻璃 double layer glass | | 双层公共汽车 double-deck bus | | 双层壁 cavity wall | | 双层客车 double decker coach | | 双层床 bunk bed | | 双层桥 double level bridge | | 双层火车 double-decker | | 双层玻璃 double-glazing | | 双层玻璃窗 double window | | 双层甲板船 two-decker | | 双层窗 a double window | | 双层胶合板 two-ply |
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