Seal leakage test on the inlet valve under a hydrostatic pressure equal to maximum static head. The leakage shall not exceed the amount guaranteed by the Contractor.
对入口阀在最大静水压力下的密封泄漏试验。泄漏量不得超过承包商所保证的量。
2
Over pumping of ground - waters produces a difference in hydrostatichead in favor of the seawater.
过量抽取地下水时，产生利于海水的流体静力学水位差。
3
A new type of structure-high speed internal grinding spindler head with hydrostatic and hydrodynamic bearing and its working theory of the structure and primary calculations have been expounded.