例句與造句

1. The MSG90 uses a modified version of the push pin trigger packs of H & K roller locked select-fire assault rifles.
2. It features a roller locked bolt mechanism that consists of the bolt head, a pair of rollers, the striker sleeve, bolt body and return spring.
3. Roller-delayed blowback as in the HK G3, where similar rollers are used is sometimes mistakenly called roller locked, but there is no genuine locking of the bolt and no recoiling of the barrel in delayed blowback action.
4. It's difficult to find roller locked in a sentence. 用roller locked造句挺難的