spread margin复式: compound; multiple; double按: press; push down金: metals自复式按钮: non locking button; non-locking button; non-locking push button; nonstick button; nonstick push button非自复式按钮: stick button下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:复式按金，即可在微信中查询翻译
