手錶的按鈕或旋鈕為什麼可以防水? - 手錶
By Rosalind
at 2005-05-20T00:00
at 2005-05-20T00:00
Table of Contents
現在很多錶都可以防水一兩百公尺,可是像是按鈕、旋鈕這類可動零件,與錶殼間一定要保留空隙,否則便無法按壓或旋轉,既然有空隙又是如何達到防水的效果?
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手錶
All Comments
By Leila
at 2005-05-22T21:11
at 2005-05-22T21:11
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