这些条件有助于进化出用于支撑枝干的结构、运输水分和养分到植物各部分的导管以及储存水分的结构。
These conditions favored the evolution of the structures that support the body, vessels that transport water and nutrients to all parts of plant, and structures that conserve water.
每个部件的整个重量由它的表面支撑，比较厚重的部位让人联想起承受大部分重量的导管结构。
The entire weight of each object is supported by its skin, with thicker areas that are reminiscent of natural vascular structures bearing most of the load.
如果支撑设施不够完善，应使用通道、角铁、导管或管道对单独导压管进行连续支撑。
Where this facility is not available, individual tube runs shall be supported continuously in channel , angle iron , conduit or pipe.
超前小导管注浆加钢支撑是隧道工程辅助开挖的一种施工工艺，特别适用于地质条件不良的隧道施工。
The pump pouring liquid with the supporting of steel by a small pipe is one of the add craft in tunnel construction and it is fit for tunnel project in bad geology condition.
目的：研究用24G留置针导管作支撑物在泪小管断裂吻合术中应用的效果分析。
AIM: to study the effect of 24g retention needle as supporting material in anastomosis of lacrimal ductule rupture.
成形的棉条能够被置于置入器导管中，所述棉条为所述瓣片提供支撑。
A shaped pledget can be housed in the applicator barrel, which provides support to the petals.
成形的棉条能够被置于置入器导管中，所述棉条为所述瓣片提供支撑。
A shaped pledget can be housed in the applicator barrel, which provides support to the petals.
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