您要查找的是不是：
- Y型分支管Y-shape branch pipe
- 锥形分支管Y型三通的完全光滑椭圆相贯线的研究RESEARCH ON ELLIPTIC JUNCTION LINE OF CONIC BRANCH PIPE Y SHAPE STRAIGHT TEE
- Y型分支结构Y-branched structure(Y-shape structure)
- y 型分支angle tee
- 分支管腺branched tubular gland
- 电缆T型分支cable T branch
- 波导分支管waveguide branching unit
- Y型岔管Y-shaped branch pipe
- 鱼骨型分支井herringbone multilateral well
- 流管flow passage
- 圆管circular tube
- 运动型motile
- 保险管protective tube
- Y型联接y-connection
- 针管needle tube
- 蟾蜍型分支杆菌Mycobacterium xenopi
- 源管source capsule
- 外型尺寸external dimension
- 铝管aluminum pipe
- 板型mplate
