这些细菌生活在管虫体内;管虫为它们提供硫化氢和二氧化碳。
These bacteria that live inside the tube worms; the tube worms provide them with hydrogensulfide and carbon dioxide.
导电管和半导体管的混合不能为电线或电池电极提供足够的电流。
Mixtures of conducting and semiconducting tubes do not carry enough current for wires or battery electrodes.
各国必须向国际麻醉品管制局提供关于麻醉物质的详细年度估计情况和报告以便采购或生产受管控的药物。
Countries must provide detailed annual estimates and reports for narcotic substances to the International Narcotic Control Board to procure or produce controlled medicines.
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