sieve tube

常見例句

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采領(lǐng)域中用到的一種剛玉篩管。
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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較短，其端壁水平或略傾斜，具單篩板，缺少纖維。