单词	双向波形
释义	双向波形bidirectional wave form
随便看	double spanner double spar double spark plug ignition double spar wing doublespeak doublespeaker double-speak system double specification limit double spectrum double-speed motor double-speed pulley double-speed transmission double spinal cord double spiral double-spot flounder double-spot flounder--pseudorhombus dupliciocellatus regan--1905 double spotting double-spot tuning double spread double-spread double-spread title page double spring double springs double squirrel cage induction motor double squirrel cage motor