The propagation of these temperature changes into the underground is far deeper than that of the annual temperature variations.

 
  • 這種溫度變化對地下的波及深度遠遠超過(guò)年溫度變化的影響深度。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan