He laughed hollowly , cynically , at such an idea 想到这个，他不禁空洞地冷笑起来。
2.
Plastic hollow containner series products adopt high rigidity , anti - transmutation , anti - abrasion , anti - rupture , high - molecule and high density polyethylene as materials . though changing quality , pigmentation and using the international advanced equipments and moulds , puffing plastic hollowly to make up the shape . out products have the quality of high intensity , anti - acid alkali and anti - aging , and have been widely utilized in food , medicine , chemical , petroleum , pesticides and other industries for the external packaging 塑料中空容器系列产品采用刚性大耐蠕变抗磨损及耐环境应力开裂等优点的高分子量高密度聚乙烯作为原料，通过改性着色使用国际先进设备和模具，中空吹塑成型。
