孔宽

1.
sluice or hole width
... 孔高 sluice or hole height 孔宽 sluice or hole width 设计最大流量 maximum designed discharge of sluice or tunnel ...
njuzhaodz.blog.163.com|基于7个网页
2.
Mesh opening
杭州丝联实业有限公司 ... 线径 Thread diameter 孔宽 Mesh opening 开口率 Open area ...
www.hzslsy.com|基于2个网页