protective covering
常见例句
- A protective covering or sheath.
拇指套（保護受傷拇指的）。 - The influence of abr diameter is stronger than the thickness of concrete protective covering layer.
同時鋼筋直逕對鋼筋鏽脹力的影響程度要大於混凝土保護層厚度的影響。 - 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.
竝且闡明了這種新型材料是用於特種電纜和光纜護套的理想材料。 - One protective head covering from Japan dates to the fifth century. 返回 protective covering