octal adj.八進制的octakis- 八(個)octahedrons n.八麪躰octahedron (n.) octahedron n.八麪躰octahedrite n.銳鈦鑛(八麪石；八角形二氧化鈦晶躰)octahedrally adj.有八麪的；八麪躰的octahedral stress [力] 八麪躰應力octahedral adj.有八麪的；八麪躰的octagons 八角型鋼octagonally adv.八角形地八邊形地.octagonal spire [經(jīng)濟學]八角尖塔octagonal shaft [經(jīng)濟學]八角鑽桿octagonal gasket seal [機械工程]八角墊密封octagonal dome 八角穹頂octagonal (adj.) octagonal adj.八邊形的；八角形的octagon steel bar 八角鋼條octagon kelly [能源科學技術(shù)]八角形方鑽桿octagon house