Other companies grumble about a lack of gearboxes and bearings.其他公司也因为变速箱和轴承缺货而怨声不断.For use in most machine tool bearing & gearboxes lubricated by circulating system.可用于工具轴承 及 齿轮箱循环系统.Suitable for use in enclosed industr...
全球性生态保护工作很可能会和地方生态系统存在矛盾。Global ecological efforts can easily be at odds with local ecologies.现在酸雨已成为全球性的问题.Acid rain is becoming a big problem all over the world today.空气污染是全球性的问题.Air pollution is a global problem....