[固定建筑物] 步進(jìn)開(kāi)關(guān)（多接點(diǎn)開(kāi)關(guān)） [電學(xué)] 步進(jìn)開(kāi)關(guān)（多接點(diǎn)開(kāi)關(guān)） multiple contact switch: 多觸點(diǎn)開(kāi)關(guān); 多接點(diǎn)開(kāi)關(guān)multiple-contact switch: 多接觸開(kāi)關(guān)step switch: 步進(jìn)開(kāi)關(guān); 分段開(kāi)關(guān)switch step: 切換階段contact switch: 觸點(diǎn)開(kāi)關(guān); 觸簧開(kāi)關(guān); 接觸開(kāi)關(guān)下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
