at user option 中文意思是什麼
at user option
解釋
用戶可選擇的-
Double click at a channel will update the channel, if user doesn t use single click update option thanks havas
如果用戶不指定單擊更新頻道的話,雙擊就更新thanks havas -
Xka, xga designate respectively, electric switches at site. this switch is option for user at the time of order and not on the standard type
Xka和xga分別為現場電動操作開關。此開關為用戶選擇訂貨,標準型無此按鈕。
分享友人