【摘要】 本文介绍了交流起重机实行无触点改造的过程、方案、运行效果。该项改造作为交流起重吊车改造的一种新途径、新方案 ,具有良好的使用推广价值。更多还原

【Abstract】 The process, plan and the result for electricity revamp of AC crane was introduced in this paper. As a new method and new plan for the revamp, it is worth being used widely.更多还原