常見例句Mineralization styles are dominantly veinlet-disseminated and veinlet, occasionally stockwork. 銅、金礦化主要呈細(xì)脈浸染狀和細(xì)脈狀,偶見網(wǎng)脈狀。In Tongkeng Mine, the fine veinlet orebody, 91# and92# orebodies occur staggeringly up and down. 銅坑礦細(xì)脈礦體、91%23、92%23礦體呈上下交錯(cuò)產(chǎn)出。The midvein bears three bundles.The veinlet bears one bundle sheath on the outer layer, with the typical feature of C4 pants. 中脈具3個(gè)維管束,小脈外具一層維管束鞘,具有典型的C4植物特征。The area of veinlet belt orebady of Tongkeng Mine is identified as a accident potential area by Guangxi government for mine fire and ground control. 由于存在火區(qū)與空區(qū)隱患,銅坑礦細(xì)脈帶礦體開采區(qū),被認(rèn)定為廣西特大事故隱患區(qū)。From leaves cleared,oil cells are distributed in areole in most species and on the vein in some species.The oil cells in 5 species are in contact with veinlet termini. 從透明葉片觀察,大多數(shù)植物葉片油細(xì)胞分布于脈間區(qū),少數(shù)種的少數(shù)油細(xì)胞分布在脈上,其中5種植物的部分油細(xì)胞與葉脈末端相接觸。The veinlet belt orebady of Tongkeng Mine with spontaneous ignition formats a fire area,that makes mining sequence disorder,and a great number of stoped areas untreated. 銅坑礦細(xì)脈帶礦石自燃形成火區(qū),使礦山開采順序紊亂,并遺留大量未處理的采空區(qū),對礦山安全生產(chǎn)造成重大事故隱患。 返回 veinlet