工件: workpiece letter; correspond ...使用: make use of; use; employ; ap ...期: designated time软件使用权: software license使用期: lease; life durability; lifetime; period of use; spreadable life; usage period; usage time; used life; useful life; working life部件使用频度: utility frequency of component硬件使用效率: hardware availability ratio不堪使用期: unserviceability period长使用期: high time长使用期限: long life储罐使用期: tank life估定使用期: estimated usable period估计使用期: estimated performance; intended performance使用期保障: security of tenure使用期长的: long-lived使用期试验: end usetesting; end-use test; life testing使用期限: campaign; durability; duration; expiration date for use; length of life; length of vitality; life span; life time; life-span; lifetime; limit of age; live time; operating life; operating period; operatinglife; operation date; operation life; period of service; period of usage; physical life-time of building; pot life; service age; service life; serviceable life; term of life; terms of service; time limit of service; used life; useful life; work life; working service土地使用期: land use term相对使用期: comparative lifetime相同使用期: equal life药品使用期: limit date of using a drug after its production要求使用期: demand usage time油罐使用期: tank life油使用期限: life span of oil有效使用期: effective age; effective life; effective service life; useful economic life
