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bed of mortar例句_bed of mortar英汉例句_bed of mortar双解例句_甲百匯小鸡词典
甲百匯小鸡词典

bed of mortar

B 开头单词

常见例句

    雙語例句

  • Expounding construction technique of cement mortar jacking for reinforcement of railway bed slope and obtained results.
    敘述了注漿加固鉄路路基邊坡的施工工藝及取得的傚果。
    • 返回 bed of mortar