deep water gravity tower platform深水: deepwater重力: gravity; force of gravity; g ...塔式: tower-type; step grate平台: terrace; platform重力式平台: gravity platform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:深水重力塔式平台，即可在微信中查询翻译
