puller bolt 中文意思是什麼
puller bolt
解釋
頂緊螺栓-
Metal spoon chain puller bolt
金屬匙鏈拉釘。 -
When you meet needs to help, draws out the metal the spoon chain puller bolt, it can send out immediately reports to the police the sound, brings to passer - by s attention to render the assistance
當你遇到需要幫助時,拔出金屬的匙鏈拉釘,它能立即發出報警聲,引起途人的注意給予幫助。
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