标题(Title) 一般不超过80个字符
ptc heating elements Electric Heating Air Curtain ptc heating elements for sale.
(80 个字符)
关键词(KeyWords)一般不超过100个字符
electric aluminium finned ptc air heating element electric ptc heater Insulated Ptc Heating Element Door Air Screen Hot Air Curtain With PTC Heating Elements PTC Fan Heating Element electric aluminiu
(205 个字符)
描述(Description)一般不超过200个字符
electric aluminium finned ptc air heating element electric ptc heater Insulated Ptc Heating Element Door Air Screen Hot Air Curtain With PTC Heating Elements PTC Fan Heating Element electric aluminiu
(205 个字符)