Companion cells arrange in a row or single cell as long as the sieve tube member.(伴胞為與篩管分子等長的一列或單個(gè)細(xì)胞。)

The end walls of sieve-tube elements in the phloem have 4-6 specialized sieve areas which together form compound sieve plates.(韌皮部中篩管分子的端壁是由4—6個(gè)梯狀排列的篩域組成的復(fù)篩板。)

This machine USES the S-shaped milling cutter to extrude materials into particles through stainless steel sieve tube.(本機(jī)是用S型碾刀，通過不銹鋼篩筒的篩孔，把物料擠出顆粒的設(shè)備。)

The utility model relates to a corundum sieve tube used in the field of oil field and oil well production.(本實(shí)用新型涉及油田油井開采領(lǐng)域中用到的一種剛玉篩管。)

Aimed at the current status of petroleum slotted sieve tube, a kind of new typed slotted sieve tube with compound slot was developed.(針對(duì)石油割縫篩管的現(xiàn)狀，開發(fā)出了一種新型復(fù)合縫腔割縫篩管。)