| 摘要 |
The cord system comprises a relatively thin detonating cord which can be readily bent round small diameter corners and is of low weight per unit length, the cord comprising an outer relatively thick tube and an inner relatively thin tube of a different material of greater density than the outer tube, the secondary explosive for detonation being within the inner tube. When ignited the cord remains thereby protecting any apparatus positioned close to it from damage by the explosion contained within the cord.
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