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直立艏材
直立艏柱
1、stem───abbr.理工科的统称（science，technology，engineering，math）；vi.阻止；起源于某事物；逆行；vt.阻止；除去…的茎；给…装柄；n.干；茎；船首；血统
2、vertical post───竖柱；立柱
3、abscission stem───脱落茎
4、vertical───adj.垂直的，直立的；[解剖]头顶的，顶点的；[植]纵长的，直上的；n.垂直线，垂直面；垂直位置
5、vertical garden───直立式花园；垂直花园
6、vertical asymptote───[数] 垂直渐近线；[数]垂直渐近线
7、vertical tile───垂直平铺
8、vertical distance───[数]垂直距离
9、vertical farm───立体农场
1、Valves should be installed in the (stem) vertical position with the pipe flow horizontal only. For installations other than this, please consult factory when ordering.───阀门应该只能安装在水平流向的管线上，其阀杆应该垂直向上。如果需要其它方式的安装，请在订购阀门时咨询工厂。
2、bulb with white fleshy contractile root and a slender vertical stem rising to soil surface;───鳞茎有白色肉质收缩根和延伸至地表的纤细直立的茎；
3、When handling solids in suspension, Wedgeplug valves should be installed with the stem vertical.───当处理滞留的固体颗粒时，楔塞阀应该安装成阀杆垂直向上的方式。
4、NOTE: the valve is shipped in the closed position. The indicator on the plastic sleeve is aligned with the vertical scribed line on the stem.───注意：阀门装运时是处于关闭位置。塑料套筒上的指示器与阀杆上的垂直刻线对齐。
1、These grow naturally as a single, vertical stem and need absolutely no pruning.
2、Appearance perspective, sowthistle vertical stem, leaf or a lanceolate round, usually feathered deep cleft.