encased back gear的意思|示意
美 / /
英 / /
封闭式背齿轮
encased back gear的网络常见释义
封闭式背齿轮 encased back gear 封闭式背齿轮 Rose bushes shoot again after being cut back. 玫瑰丛修剪后还能再长出新枝。