sieve tube

常見(jiàn)例句

Companion cells arranse in a row or single cell as long as the sieve tube member.
伴胞為與篩管分等長(zhǎng)的一列或單個(gè)細(xì)胞。
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(kāi)采領(lǐng)域中用到的一種剛玉篩管。
ip.com
The sieve tube elements of the secondary phloem were relatively shorter, with simple sieve plates in the slightly inclined to almost horizontal end walls.
韌皮部篩管分子相對(duì)較短，其端壁水平或略?xún)A斜，具單篩板，缺少纖維。