protective covering

英 [prəˈtektɪv ˈkʌvərɪŋ]

美 [prəˈtektɪv ˈkʌvərɪŋ]

保护面（盖）；保护敷层；防护涂层；保护层

英英释义

noun

• the tough natural covering of some organisms
• a covering that is intend to protect from damage or injury
  1. they had no protection from the fallout
  2. wax provided protection for the floors
  Synonym:protective coverprotection

双语例句

• All buried lines are coated with a protective covering to save them from corrosion.
  所有埋设的管道必须涂上保护层，以防生锈腐蚀。
• A protective covering of half-rotten vegetable matter spread to reduce evaporation and soil erosion.
  盖在半腐烂的植物上面减少蒸发和土壤侵蚀的一层遮盖物。
• Application of Full Face Blasting Without Leaving Protective Covering in the Construction of Dam Foundation
  不留保护层全断面预裂爆破在坝基开挖中的运用
• And they found that the protective covering is actually only 6 nanometers thick. Thats about a fifteen-thousandth as thick as a sheet of paper.
  他们发现，保护敷层实际上只有6纳米厚，大概是一张纸的千分之十五的厚度。
• A protective covering worn over the face.
  戴在脸上的一种保护性的罩子。
• Tough more-or-less rigid protective covering of an animal or plant.
  动植物体外坚韧且有些坚硬的起保护作用的遮盖物。
• Effect Observation of Postoperative Treatment of the Wound after Laser Therapy with the Liquid Protective Covering
  液体护创膜在激光术后创面的应用观察
• A protective covering for the face in such sports as baseball or football or hockey.
  在棒球、橄榄球、曲棍球等运动项目中保护脸部的面具。
• Half-mask respirator a protective covering over a mattress to protect it.
  半面罩式呼吸防护器套在褥子外面用来保护褥子的防护罩。
• A decorative or protective covering or cover. The lens hood is used to cover up the lens.
  一个装饰性或保护性的罩或盖。