您要查找的是不是：
- 平坦V型堰flat V weir
- ZK-1 型堰式明渠流量计The model ZK-1 weir-type uncovered canal flowmeter
- V型决V - block
- V型槽V shaped notch
- V型塔V-Tower
- V型架V shaped frame
- V型镜V-scope
- V型铣削V - milling correction
- V型钝体V dull
- V型夹角V firing angle
- V型天窗V form skylight
- V型坡口V groove
- V型网路V network
- V型刚构V rigid structure
- V型牵伸V shape draft
- V型偏析V shape segregation
- V型支撑V type brace
- V型斜腿V type inclined legs
- V型桥墩V type pier
- V型淀粉V type starch
