knocking
敲帮问顶发声
knocking and sounding (the roof)【矿】
暂无补充释义。
相关词条
knocking
knocking【动力】;water hammer【流】
anti-knocking agent
nine-function knocking-diagnosis hammer
knocking-bucker【矿】
knocking combustion
knocking
knocking and sounding (the roof)【矿】
暂无补充释义。
knocking
knocking
knocking【动力】;water hammer【流】
anti-knocking agent
nine-function knocking-diagnosis hammer
knocking-bucker【矿】
knocking combustion
knocking