卷曲物 meaning in Chinese

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Explosives for civil uses - detonators and relays - determination of the mechanical strength of leading wires , shock tubes , connections , crimps and closures
民用爆炸物.雷管和传爆管.引线激波管连接件卷曲物和闭塞物机械强度的测定
Explosives for civil uses - detonators and relays - part 7 : determination of the mechanical strength of leading wires , shock tubes , connections , crimps and closures
民用爆炸物.雷管和传爆管.第7部分:引线冲击管连接件卷曲物和闭塞物机械强度的测定