Fix the connection plate of foundation bolt with nut.
将地脚螺栓连接板用螺母紧固。
Special structure, keyless connection, high-chromium plate hammer, particular impact liner;
结构独特、无键连接、高铬板锤、独特的反击衬板；
There's something wrong with the plate connection.
板块连接有问题。
There's something wrong with the plate connection.
板块连接有问题。
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