Scrape the wax loose with a butter knife (be gentle with Berber carpets; the loops fray easily).
用抹黄油的刀把蜡刮松(刮伯伯尔地毯的时候要轻一点；它的线圈很容易破损)。
The lower part, the conical section of the furnace and other fray easily area are covered with refractory to protect the heating surface.
炉膛下部锥段以下及炉内其它易磨损部位敷设耐火浇筑料，以保护受热面。
The lower part, the conical section of the furnace and other fray easily area are covered with refractory to protect the heating surface.
炉膛下部锥段以下及炉内其它易磨损部位敷设耐火浇筑料，以保护受热面。
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