“primary haulage”的概念、定义、翻译、参考文献-科学参考

单词	primary haulage
释义	primary haulage [`prī´mer·ē `hȯl·ij] ^{MINING ENGINEERING} A short haul in which there is no secondary-or main-line haulage. Also known as face haulage.
随便看	Dermacentor variabilis dermal dermal bone dermal denticle dermalia dermal pore Dermaptera Dermatemydinae dermatitis Dermatocarpaceae dermatocranium dermatogen dermatoglyphics dermatograph dermatologist dermatology dermatome dermatomyositis dermatopathic lymphadenitis dermatopathology dermatopathophobia Dermatophilaceae Dermatophilus dermatophyte dermatophytosis

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