常见例句DOMINO CUBICLE SWITCH BOARO TYPE GCS AC LOW-VOLTAGE DRAWOUT GCS型交流低壓抽出式開關櫃drawout unit 可抽出單元drawout breaker 抽出式斷路器drawout chassis 抽屜座flush-mounted drawout relay 平裝抽出式繼電器 返回 drawout