long-period water bottom multiples长周期: long period; long-periodic; ...水底: water bottom; bed多次: many times; time and again; ...波: wave长周期多次波: long-period multiples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:长周期水底多次波，即可在微信中查询翻译
