切脚是汉语词汇，解释为.运用切音的原理，用反切上下字代替本字。
电子线路板用切脚刀首选！
手浸锡炉，电动切脚机，BGA返修站和元件成型设备一批。
Hands tin stove, electric cutting machine, BGA reworking station, assembly equipment.
边坡开挖对后坡卸荷岩体形成切脚作用，施工开挖爆破问题突出。
After the entrance slope was excavated, the slope foot support role was lost, resulting in difficulty of blasting.
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