常见例句双语例句Watertightness, antisepsis and do not become mildewed, do not living the characteristic of the insect, Can obstructs availably congealed, prevent the piping congelation.具有防水、防腐、不发霉、不生虫的特性，能有效地阻止冷凝，防止管道冻结。 返回 become mildewed