O 開頭單詞
octal adj.八進(jìn)制的
octakis- 八(個(gè))
octahedrons n.八麪躰
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(yīng)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(jì)學(xué)]八角尖塔
octagonal shaft [經(jīng)濟(jì)學(xué)]八角鑽桿
octagonal gasket seal [機(jī)械工程]八角墊密封
octagonal dome 八角穹頂
octagonal adj.八邊形的；八角形的
octagon steel bar 八角鋼條
octagon kelly [能源科學(xué)技術(shù)]八角形方鑽桿