loop-stem structure 茎环结构
Extended Stem Structure 加长阀杆结构
brain stem structure 脑干网状结构
brain - stem structure 脑干网状结构
secondary structure of stem 茎的次生结构
Primary structure of stem 茎的初生结构
Stem Anatomical structure 茎解剖结构
stem-loop structure Deoxyribozyme 茎环结构脱氧核酶
structure of stem 茎组织结构
The diverse alfalfa varieties had obvious difference on stem structure.
不同苜蓿品种间枝条结构差异明显。
Stem structure 1) stem - inside screw bronze multi-turn valves for the most common and preferred structure.
阀杆结构1) 明杆-内螺纹结构对于青铜多回转阀门来说是最通用、首选的结构形式。
Valve structure that is buried, extended stem structure, making it suitable for laying of underground pipes installed in places.
球阀埋地结构即,加长阀杆结构,使其适用于管线埋地铺设安装的场所。
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