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;

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每个键的名称是独一无二的，是在双引号。

Each key name is unique, and is enclosed in double quotes.

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本设备大皮带轮（槽轮）的固定采用无键联胀套联结。

The fixation adoption distends cover with no saw(tough wheel)of large belt of equipment.

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本设备大皮带轮（槽轮）的固定采用无键联胀套联结。

The fixation adoption distends cover with no saw(tough wheel)of large belt of equipment.

youdao