单词	结构底座
释义	结构底座 pier
随便看	tunnel diode negative-resistance oscillator tunnel diode oscillator tunnel-diode oscillator TUNNEL diodes tunnel-diode threshold tunnel diode transistor logic tunnel diode trigger tunnel-diode valley current tunnel disastrous fires tunnel disease tunnel distance tunnel diversion tunnel-door digging tunnel drainage tunnel drainage facility tunnel drainage system tunnel drier tunnel driercanal drier tunnel drier for bobbins tunnel drifting tunnel drill tunnel drilling tunnel drilling car tunnel drilling rig tunnel drill with column