法兰阀门流量系数值计算时考虑到法兰阀门的放置长度。

Flanged valves calculated for additional laying length of flanged valve.

youdao

将阀门放低，使其进入管道法兰之间的位置。

Lower the valve into position between the pipeline flanges.

youdao

带法兰连接的球阀或替代阀门由承包商提出建议，由业主批准。

Ball Valves with flanged connection to be or an alternative as per Contractor's recommendation, subject to approval by Client.

youdao