QZ company is an enterprise being mainly engaged in the Fettling and Trimming Equipments products.QZ公司是一家生产清理设备为主的企业....

fettling的音标：fettling的英式发音音标为：['fetlɪŋ]fettling的美式发音音标为：['fetlɪŋ]...

修坯...

n.涂炉材料（如硅石）...

fettlin的音标：fettlin的英式发音音标为：['fetlɪn]fettlin的美式发音音标为：['fetlɪn]...