常見例句雙語例句AIR—TIGHTNESS: Lower: By weighted cloth draught-excluder in can combine with any possible unevenness of the ground;密封性能：底端裝有加重隔氣布，它可與各種不平坦地面緊密結(jié)合。guxing6021.blog.163.com 返回 draught excluder