?爆震器

爆震器 knock indication instrument; knock producer 避震器 damper; shock absorber; shock bumper/vibrator; shockabsorber .

?爆震指示器

爆震指示器 knock indication instrument; knock indicator; knock intensity indicator

?爆震指示仪

... 微弱爆震强度 trace knock intensity 爆震指示仪 knock indication instrument; knock indicator 深度指示仪 depth indicator ...