variable recoil造句

Furthermore, it used the a variable recoil system that shortened the recoil as the elevation increased.
The recoil system is also being upgraded, as the legacy system had reliability issues with the recuperator, buffer, and variable recoil linkage ( which sets recoil length based on elevation ); it had a lot of moving parts needing constant maintenance and adjustment during operations with high replacement rates of spares that are complex to manufacture and require specialized tooling to assemble, increasing costs and causing availability problems.
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