... depressed scar 凹陷性瘢痕 ; 凹陷瘢痕 ; 坑坑洞洞的月球表面 prosperous depressed 繁荣的 depressed joint 钢轨低接头 ...
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... 翻浆 冒泥 mud-pumping 钢轨低接头 depressed joint；battered foint of rail 接头瞎缝 closed joint；tight joint ...
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