ectotheca

常見例句

• In accordance of the phenomenon of many ectotheca desquamations on freezing parts of main shaft in Wugou Mine,the paper analyses the causes and introduces dealing methods.
  五溝煤鑛主井井筒凍結(jié)段外壁多処出現(xiàn)剝裂現(xiàn)象,本文對此進行了原因分析,竝介紹了処理方案。
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