这类饮料尚未经过严格临床试验的检测，不过有研究显示，其中至少有些成分能帮助睡眠或缓解焦虑。
The drinks have not been tested in rigorous clinicaltrials, but at least some of their ingredients have been shown in studies to aid sleep or reduce anxiety.
自动换刀机构：配置链式刀库，实现刀具自动交换。换刀性能经过严格的运转试验，动作协调准确，快速、可靠。
Auto changing tool magazine: Equipped with chain-type tool changer for automatic exchanging tools. Ahe performance of changing cut has been strictly tested, acting concertedly, fast and reliably.
经过严格的装机耐久试验。
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