Relations of hole diameter, distance between adjacent holes, and flow volume of trunk to distribution of flow volume were discussed.

讨论了孔径、孔间距、总管流量与流量均布的关系。

youdao

Permissible deviation of bolt hole circle diameter on flange and permissible limited deviation of two adjacent holes on flange shall be less than 0.6mm.

法兰螺栓口中心圆的直径的容许偏差及法兰相邻两孔极限容许偏差的应小于0.6毫米。

youdao

The top wall has a pair of key-hole shaped mounting holes (19) therein positioned in an area adjacent the front wall.

所述上壁在 其中具有定位在邻近于所述前壁的区域中的一对钥匙孔形安装孔（19）。

youdao

With the Zulus breaking down the door to get in, he knocked a hole through the wall into an adjacent ward, where he met up with a Private Alfred Hook.

BBC: Wales