A hole in the body ACTS as a conduit to transmit coolant under considerable pressure to the tip of the drill.
钻头体中有个孔作为导管在相当大的压力下将冷却液传送到钻头顶端。
2
Producing little stretch distortion and having no flection under permitted air speed and pressure are the criterions of assessing air conduit capacity based on its bearing load.
Usually under the conditions of excessive heat, high pressure and small load, condensate tends to emerge inside the collecting conduit and the drain traps.