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移位操作从不导致溢出。
Shift operations never cause overflows.
youdao
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移位全开式操作门，方便检修及更换锤片。
Shift full opening operation door, maintenance and replacement of hammer are convenient.
youdao
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移位全开式操作门，方便检修及更换锤片。
Shift full opening operation door, maintenance and replacement of hammer are convenient.
youdao