天然橡胶
天然橡胶
纯橡胶
... pump高跟鞋 punching冲孔 pure rubber天然橡胶 ...
... punching冲孔 pure rubber自然橡胶 purple紫红色 ...
... punching冲孔 pure rubber人造橡胶 pureple紫白色 ...
天然橡胶
Some of this type of sealant is pure rubber varieties, most with good adhesive performance.
这类密封胶中有些品种是纯橡胶，大多数具有良好胶粘剂的性能。
Mold design and characteristics of pure rubber boot was introduced. Mold design plan was analyzed and compared.
介绍了纯胶球头防尘罩模具的设计方法及模具特点，对防尘罩生产模具的设计方案进行了分析、比较。
One experiment led him to combine sulfur with the pure rubber, whereupon he accidentally dropped the mixture onto a red-hot stove.
在一次实验中，他必须将硫磺和纯橡胶混合在一起。