plank keel木板: plank; board; furring龙骨: a bird's sternum fossil frag ...背板龙骨: horizontal bar keel垂板龙骨: center board; centerboard单板龙骨: single plate keel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:木板龙骨,即可在微信中查询翻译