消耗人力物力英语

人力物力的消耗 [词典] drain on manpower and material resources; gulley drain【建】下水道spray drain(以小树枝填在沟槽内, 上面覆土而形成的)排水暗沟

*****(something) Not just reduct the frequency of product transaction,to improve work efficiency,but also can save the time and labour,to reduce cost of transaction.