闭塞物 meaning in Chinese

closure
obturator

Rigid plastics containers - methods to test the effectiveness of closures
硬塑料容器.闭塞物有效性的试验方法
Standard test method for application and removal torque of threaded or lug - style closures
螺纹或突耳型闭塞物的应用及移动扭矩的试验方法
Rigid plastics containers - methods to test the effectiveness of closures ; german version en 14401 : 2004
硬质塑料容器.闭塞物有效性的试验方法
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