[電子] 脈沖持續(xù)時(shí)間選擇器 duration selector: 持續(xù)時(shí)間選擇器pulse selector: 脈沖選擇器selector pulse: 選擇器脈沖duration of pulse: 脈沖持續(xù)時(shí)間duration pulse: 脈沖寬度下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯