head of ladder

基本解释梯端

网络释义

1)head of ladder,梯端2)mounting attachment,辅助梯端的短梯3)the head of a ladder,梯子的上端4)tirrill regulator,梯端尔蝶器5)tirrill regulator,梯端尔调节器6)step mill cutter,阶梯形端铣刀

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