initial cut的用法和樣例：
例句
- If grooves are cut in the flank of nut hydrostatic action is possible.
如在螺母螺紋側面切槽，則可實現靜壓作用。 - During recent years the seam cut has once again come into use.
近幾年來，又再度使用了裂縫掏槽。 - The cut way and hole parameters affect the drivage efficiency and cost.
掏槽方式及布孔參數影響著掘進效率和成本。
