英语词汇protective value怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	protective value
释义	protective value 简明释义防护值；保护性能网络释义 1 ?防护值 ... 防护性跳脱作用 protective trip function 防护值 protective value 防护墙 protective wall ... 2 ?铅当量 ... protective shield 防护屏障层 protective value 铅当量 protective wall 防护屏障层 ... 短语 1 Over flow protective value 过电保护值 2 Land protective value 保护性 3 environment protective value 环保价值双语例句 1 The denser the foam, the more protective value it will have. 浓密的泡沫，更将会有保护价值。 2 But the present its packing existence packing protective value is insufficient, questions and so on packing material not environmental protection. 而目前其包装存在包装保护性能不足，包装材料不环保等问题。 3 An "Overcurrent relay" is a type of protective relay which operates when the load current exceeds a preset value. 过电流继电器是继电保护装置的一种，当负载电流超过整定值时，继电器动作。
随便看	typhoon course typhoon damage typhoon detective line typhoon development typhoon disaster typhoon evacuation team typhoon eye typhoon genesis typhoon harbour typhoon imminent warning typhoon information typhoon-lagoon typhoon movement typhoon path typhoon rain typhoon recurvature typhoon region typhoons typhoon shelter typhoon signal typhoon squall typhoon surge typhoon surge emergency warning typhoon surge forecasting typhoon surge warning

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