您要查找的是不是：
- 平坦V型堰flat V weir
- ZK-1 型堰式明渠流量計The model ZK-1 weir-type uncovered canal flowmeter
- V型決V - block
- V型槽V shaped notch
- V型塔V-Tower
- V型架V shaped frame
- V型鏡V-scope
- V型銑削V - milling correction
- V型鈍體V dull
- V型夾角V firing angle
- V型天窗V form skylight
- V型坡口V groove
- V型網(wǎng)路V network
- V型剛構V rigid structure
- V型牽伸V shape draft
- V型偏析V shape segregation
- V型支撐V type brace
- V型斜腿V type inclined legs
- V型橋墩V type pier
- V型淀粉V type starch
