常見例句雙語例句A protective covering or sheath.拇指套（保護(hù)受傷拇指的）。The influence of abr diameter is stronger than the thickness of concrete protective covering layer.同時(shí)鋼筋直徑對鋼筋銹脹力的影響程度要大于混凝土保護(hù)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.并且闡明了這種新型材料是用于特種電纜和光纜護(hù)套的理想材料。原聲例句One protective head covering from Japan dates to the fifth century. 返回 protective covering