It's ideal for flow troubleshooting, balancing and checking performance of permanentflow meters.
这非常适用于流动故障排除，平衡和检查永久流量计的性能。
2
The gear change consequently takes place under load, with the result that a permanentflow of power is maintained.
因此发生改变的齿轮在荷载作用下，其结果，一个永久的流动的力量被维持。
3
The stress beyond which stainless steel undergoes important permanentflow — commonly specified as that stress producing a 0.2% offset from the linear portion of the stress-strain curve.