（二）违反国家规定，收购铁路、油田、供电、电信、矿山、水利、测量和城市公用设施等废旧专用器材的；
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The mission has already faced years of delays, and Nasa is under pressure to get the astronauts on their way as soon as possible. However, the US space agency said it would not compromise on safety.，更多细节参见Line官方版本下载
if (n <= 1) return;，推荐阅读搜狗输入法2026获取更多信息
美國學者戈登表示，該條文原意在保護美國企業，避免受到依賴強迫或監獄勞動的進口商品競爭，如今也成為美國調查企業海外供應鏈勞動條件的重要工具。