pear-ended spur dike的意思|示意
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英 / /
梨尾冲堤
pear-ended spur dike的网络常见释义
梨形丁坝 ... 梨形丁坝||pear-ended spur dike 犁式除雪机||v type snow plough 离地间隙测定||ground clearance measurement ...