结构独特、无键连接、高铬板锤、独特的反击衬板；
Special structure, keyless connection, high-chromium plate hammer, particular impact liner;
传动装置连接全部采用无键连接，拆卸简单，维修方便。
Transmission device all adopt no key links, disassembled, convenient maintenance.
传动装置连接全部采用无键连接，拆卸简单，维修方便。
Transmission device all adopt no key links, disassembled, convenient maintenance.
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