乙类乙管为何没放到夏天?梁万年回应【词语拼音】: yi lei yi guan wei he mei fang dao xia tian liang wan nian hui ying
乙类乙管为何没放到夏天?梁万年回应【词语简写】:ylygwhmfdxtlwnhy
乙类乙管为何没放到夏天?梁万年回应【英文拼写】:Why didn't Class B and Class B pipes last until summer? Liang Wannian's response