crown
路拱调节器
crown control device【建】
暂无补充释义。
相关词条
post crown
Richmond crown
crown cap【包装】
post crown with core
CR length【胚】;crown-rump length【胚】;sitting height【胚】
reversible crown corduroy cap
hobbing with the tool having the same profile as the tooth, teeth of a crown, bevel gear