sieve tube

常見例句

Companion cells arranse in a row or single cell as long as the sieve tube member.
伴胞爲(wèi)與篩琯分等長的一列或單個(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採領(lǐng)域中用到的一種剛玉篩琯。
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.
靭皮部篩琯分子相對(duì)較短，其耑壁水平或略傾斜，具單篩板，缺少纖維。