cold plug 中文意思是什麼
cold plug
解釋
冷電咀-
Specification for underground plug cocks for cold water services
冷水戶給水管用地下旋塞規范 -
Prepare cold water first before adding hot water for bathing. when using hot water bottle, fill it to no more than 34 full and plug tightly. check for any leakage and protect with a cover before use
使用熱水袋時,盛水應不多於四份三的份量,要塞好活塞,檢查熱水袋無漏及無破裂,並加上袋套,方可使用。
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