pitch recorder

航海及海运专业英语词汇(P3) ... pitch ratio 螺距比 pitch recorder 纵摇记录仪 pitch reference line 螺距基准线 ...

... outside pitch (投手投出的)偏外的坏球 pitch recorder 音高记录器, 音调记录器 pitch autopilot 俯仰(单通道)自动驾驶仪 ...