ECTM3665T 美国BALDOR电机,ECTM3665T型号尺寸，ECTM3665T轴承价格,ECTM3665T采购 DSAL16T/KM16X1,重量,DSAL16T/KM16X1,尺寸,DSAL16T/KM16X1,参数 R15444型号尺寸，R15444轴承价格,R15444采购