bidirectional switchbilateral switchbiswitchdouble throw switchdouble-throw switchtow-way switchtwo way switchtwo-way switch双向: two-way开关: Q-switching硅双向开关: sbs/silicon bi-directionaltch快速双向开关: fast bi directional switch; fast bi-directional switch双向开关元件: bilateral switching element; sidac下载手机词典可随时随地查词查翻译