| 释义 | trip hammer
 trip ham·meralso trip·ham·mer or trip-ham·mer (trĭp′hăm′ər)n. A heavy, power-operated hammer that is lifted by a cam or lever and then dropped.trip hammer
 trip hammer[′trip ‚ham·ər]  (mechanical engineering) A large power hammer whose head is tripped and falls by cam or lever action. |