碳化黑 meaning in English

carbide black

A simple and economical oil removal process is introduced . in oil removal equipment , the profiled hinge is prinkled high - efficiency detergent and cleaned mechanically . surface quality of finished profiled hinge is improved with no black carbide films attached after annealing
介绍了简便、经济的除油脱脂方法? ?在机械除油装置中喷淋高效清洗剂，用机械擦试的方法清洗铰链异型材，使成品退火后的异型材无碳化黑膜附着，从而提高其表面质量。
Abstract : a simple and economical oil removal process is introduced . in oil removal equipment , the profiled hinge is prinkled high - efficiency detergent and cleaned mechanically . surface quality of finished profiled hinge is improved with no black carbide films attached after annealing
文摘:介绍了简便、经济的除油脱脂方法? ?在机械除油装置中喷淋高效清洗剂，用机械擦试的方法清洗铰链异型材，使成品退火后的异型材无碳化黑膜附着，从而提高其表面质量。