mine service-life

基本解釋

Part of his strength - and mine - came from you, the American people, to whom he dedicated his life of public service.
他的這種力量部分來(lái)自你們美國(guó)人民，爲(wèi)了你們，他願(yuàn)意將全部生命奉獻(xiàn)給公共事業(yè)。
The mine of Yinmusi Lead-zinc in Fengxian started construction in 1986, the 1990 production, design service life of 19 years, has produced 11.
風(fēng)縣銀母寺鉛鋅鑛於1986年開(kāi)始籌建，1990年投産，設(shè)計(jì)服務(wù)年限19年，至今已生産11年。
The utility model discloses a coal mine deformation-resistant air door, which has long service life and can reduce the production cost of enterprises.
本實(shí)用新型公開(kāi)了一種延長(zhǎng)使用壽命，降低企業(yè)生産成本的煤鑛耐變形風(fēng)門(mén)。
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