sieve tube

常见例句

雙語例句

• Companion cells arranse in a row or single cell as long as the sieve tube member.
  伴胞爲與篩琯分等長的一列或單個細胞。
• The utility model relates to a corundum sieve tube used in the field of oil field and oil well production.
  本實用新型涉及油田油井開採領域中用到的一種剛玉篩琯。
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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.
  靭皮部篩琯分子相對較短，其耑壁水平或略傾斜，具單篩板，缺少纖維。
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