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- minnimum safe thickness works protective cover 工事最小安全防护层厚度
- A decorative or protective covering or cover. 罩子一个装饰性或保护性的罩或盖
- A thick protective cover similar to or suggestive of a quilt. 被状物与被子相似的或使人能联想到被子的一种厚实的保护性遮盖物
- works protective cover 工事防护层
- A protective covering of bony plates or scales. 护身甲壳保护骨盘或介壳的覆盖层
- A protective covering for the knee. 护膝用于保护膝盖的覆盖物
- A clear glass or plastic protective cover for the face of a watch or clock. 水晶面一个覆盖在钟表表面的、起保护作用的透明玻璃或塑料片
- A protective covering for the face or head. 罩，防护罩用于脸或头的保护性覆盖物
- Work protection for special type of work. 特别工种劳动保护。
- A decorativeor protective covering or cover. 罩子一个装饰性或保护性的罩或盖。
- Glottis epiglottis plays the role of the protective cover. 会厌起着声门的保护盖作用。
- They have a protective cover of bracts and scales from time of intiation. 从开始孕育时，花芽便具有一层由苞片和鳞片构成的保护层。
- A protective covering or sheath. 鞘一种保护性的覆盖物或套
- A protective covering for the head. 头盔保护头部的遮盖物
- An ornamental or protective covering for a saddle. 鞍巾，鞍褥（装饰或御寒用的）覆盖马鞍的布巾
- The cap is a protective covering of a plant. 藓帽是一种植物的保护帽。
- They have a protective cover of bracts and scales from time of initiation. 从开始孕育时,花芽便具有一层由苞片和鳞片构成的保护层。
- Corrosion of reinforcement is one of the main causes of damage of reinforced concrete of maritime works, and protective cover is an important mean for deferring corrosion of reinforcement. 摘要钢筋腐蚀是造成水运工程钢筋混凝土破损的主要原因之一，混凝土保护层是保证钢筋延迟开始腐蚀的重要屏障。
- A protective covering for the backs of chairs and sofas. 椅背套椅子和沙发背的保护性套子
- This prehistoric animal grew a thick protective covering. 这种史前动物长着一层厚厚的保护性外皮。
