Companion cells arrange in a row or single cell as long as the sieve tube member.
伴胞为与筛管分子等长的一列或单个细胞。
Line canal is by make shoe, bushing, sieve tube, buckle the composition such as pipe nipple.
衬管是由引鞋，套管 ，筛管，倒扣短节等组成。
Companion cells arranse in a row or single cell as long as the sieve tube member.
伴胞为与筛管分等长的一列或单个细胞。
The longevity of sieve tubes in D. balansae and D. szemaoensis last812 months and911 months respectively.
南岭黄檀思茅黄檀的筛管寿命分别为812个月和911个月。
The sieve element of the primary vascular system of the seedling of Nelumbo nucifera was sieve tube element.
莲幼苗初生维管系统中的筛分子为筛管分子。
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