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發表於:2017-05-02
MethodsAccordingtopairedpositiontestingtheoryamethodfortestingmuzzlevelocityisoffered.Thepaperstudiestheinfluenceofpropellantthicknessontheinteriorballisticperformanceofa...
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發表於:2018-08-24
Anewmethodtomeasuregunmuzzlesmokeisadopttoinvestigatetheinfluenceofsomegunpropellantdeterrents.Armedpolicesoldiersimmediatelystaredatthesound,andbulletsrushedintothegunch...
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發表於:2018-02-06
ashortmusketofwideborewithaflaredmuzzle.Donotattempttopullouttheobject,ratherimmobilizethedogsmuzzleusingastripofclothoramuzzle.Abagthatfitsoverahorse'smuzzleandholdsfee...