多量子井岭波导雷射二极体 semiconductor quantum well laser diode: 量子阱半导体激光管quantum well optical waveguide: 量子势阱光波导multi-quantum well: 多量子阱quantum-well laser: 量子阱激光器quantum-well semiconductor laser: 量子阱半导体激光器下载手机词典可随时随地查词查翻译