water－proof and drainage system plan防: provide against; defend agai ...排水系统: drainage system; sewerage图: picture; chart; drawing; map进排水系统图: pumping and drainage plan供水系统图: water service plan; water supply system diagram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:防排水系统图，即可在微信中查询翻译
