1.
duplex atomizer
双喷口式雾化器双路喷嘴
2.
dual-drum roller
双轮压路机，双轮路碾
3.
dual in line integrated circuit
双列直插式集成电路
4.
microprocessor two-circuit system
微处理机双电路系统
5.
bidirectional optical demultiplexer
双向光多路解复用器
6.
edge-triggered bistable circuit
边沿触发双稳态电路
7.
emitter-emitter coupled logic circuit
双射极耦合逻辑电路
8.
bipolar isolation
双极集成电路单元隔离
9.
double circuit hoisting hook belt conveyor
双电路吊钩带输送器
10.
double epitaxial IC transistor
双外延集成电路晶体管
11.
H-pole double circuit feeder
H形电杆双回路馈线
12.
twin surface print circuit light-sensitizer
双面印刷电路板感光机
13.
tandem(-type) rollers
串列式滚筒，双轮压路机
14.
dual three-lane trunk road
双程三线分隔主干路
15.
tandem roller
串联式[双轮]压路机
16.
equivalent circuit of bipolar transistor
双极晶体管等效电路
17.
It's a railway with a double track
这是一条双轨铁路。
18.
electric double-track railway system
电气化双轨铁路系统