secondary blowhole的意思|示意
美 / ˈsekəndəri ˈbləuhəul /
英 / ˈsɛkənˌdɛri ˈbloˌhol /
二次气孔
secondary blowhole相关例句
The reservoir space has the multi - origins, by primary blowhole and secondary corrosion hole primarily.
储集空间具有多成因性,以原生气孔和次生溶蚀孔为主。