safety chain

基本解释

The part of security policy describes the safety control of main controller and the structure of safety chain.
安全策略则包括控制系统的安全控制策略和独立于控制器以外的安全链的构造方式。
Senior seamless steel tube expert thinks, steel enterprises only with the downstream enterprises coordinate development, to win safety chain, win the market.
资深无缝钢管专家认为，钢铁企业只有同下游企业协调发展了，才能赢得安全的产业链，最终赢得市场。
The bolts at bent links of safety chain should be secured by double nuts.
使用在弯曲连接器的安全螺栓必须用双螺帽固定住。
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Cycling did not appeal to the masses until the introduction of the pneumatic safety bicycle with a chain and sprocket drive (the prototype of the modern design).
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The workshop has been held in other U.S. cities and concentrates on the safety of our water supply and agricultural food chain.
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As a result, the practice of safety stock and holding inventory against commodity price fluctuation and supply chain disruption will provide relief from the fragility of the supply chain.
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a chain on the fastening of a bracelet, watch, etc, to ensure that it cannot open enough to fall off accidentally (Also called guard)