departure ballast出港: clear a port; leave port; so ...压: press; push down; hold down; ...舱: cabin; module水: water抵港压舱水: arrival ballast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:出港压舱水，即可在微信中查询翻译
