protective covering
常见例句
- A protective covering or sheath.
拇指套（保护受伤拇指的）。 - The influence of abr diameter is stronger than the thickness of concrete protective covering layer.
同时钢筋直径对钢筋锈胀力的影响程度要大于混凝土保护层厚度的影响。 - It clarifies that the new type of material is a ideal material which is used at the protective covering of the special cable and optical cable.
并且阐明了这种新型材料是用于特种电缆和光缆护套的理想材料。 - One protective head covering from Japan dates to the fifth century. 返回 protective covering