Serial production began in 1971.
于1971年开始批量生产。
Provide and prepare raw materials to cover at least 24hrs of serial productions in order to avoid idle times in serial production.
提前24小时准备好连续生产所需要的料,避免连续生产中出现断档。
"[The S-500] is currently in development. By 2014, it should enter into serial production," aerospace defense strategic commander Lt.
防御部战略指挥官Lt . Gen . Valery Ivan ov说:“s500目前正在开发中。”
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