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guiding hole 中導孔,導孔。

guiding principles

The wedge disc of the valve with flow guide hole is always fitted with the sealing face whether in full open or full close status to have the sealing face protected without being directly eroded by the medium so as to extend the duration 帶導流孔閥門的閘板,無論是全開或是全關始終與密封面吻合,密封面得到保護不受介質直接沖刷,從而延長使用壽命。

Dual probe guiding hole drilling process for accurate probe contact 凸形孔制程,提高探針準確度。