之前至少已经有过13次想独立到达北极的尝试。There have been at least thirteen previous attempts to reach the North Pole unaided.一想到探险者，我们很多人脑海中浮现的便是长途跋涉前往北极的非凡人物形象。When we think of adventurers, many of us conjure up images of larger-than-life...
自然干, 良好附着力,良好耐水洗性,良好的可挠性和抗拉伸性, 高光泽度.Evaporation. Excellent adhesion . Water proof well . Excellent flexibility and tractility. High gloss.自然干, 良好印刷流平性, 附着力好,耐化学品,加工抗拉可挠性好.Evaporation. Excellent leveling property. Good ad...