A safety clip or retainer must be installed to prevent attachments, such as chisels on a chipping hammer, from being unintentionally shot from the barrel.
必须安装保险夹或护圈，以防止配件(如气錾的凿刀)从凿筒中意外飞出。
A safety clip or retainer must be installed to prevent attachments, such as chisels on a chipping hammer, from being unintentionally shot from the barrel.
必须安装保险夹或护圈，以防止配件(如气錾的凿刀)从凿筒中意外飞出。
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