primary fracture原生: protogenesis裂缝: rent; rip; hiatus; tear; rif ...原有: original原有裂缝: primary fracture原生裂缝: pre-existing fractures; primary fracture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:原生裂缝;原有裂缝,即可在微信中查询翻译