用CFC-free造句子,“CFC-free”造句
來源:國語幫 8.36K
Studies of CFC-free formulation for flexible polyether PU foam is described in this paper.
Studies of CFC-free Formulation for Flexible Polyether PU Foam
Studies of CFC-free formulation for flexible polyether PU foam is described in this paper.
Studies of CFC-free Formulation for Flexible Polyether PU Foam