“击手”的英语？

在这?热?投手投球竟打中了三个击手的头.The pitcher has beaned as many as three batters in this game.锤击手轮接合器可以配置在手轮或链轮结构上.Hammerblow handwheel adapters can be furnished with handwheel or chainwheel construction.锤击手轮是阀门的标准配置.Valves supplied...