求翻译：佛山陶瓷出口占到全国的七成以上，可以称得上中国陶瓷出口的“风向标”，在十几年前，陶瓷企业外贸市场仿佛遍地黄金，当时的生产成本低，利润空间大，但是随着行业越做越大，竞争空前激烈，原材料、劳动力成本、国际贸易摩擦等各种压力挤压着产品利润。中国陶瓷工业协会佛山办事处主任蓝卫兵博士称，“陶瓷再延续‘低价竞争’的外贸路径，就相当于是在‘贱卖国土’了。”“但事实上，从佛山陶瓷的出口情况来看，近几年出口的价格都在逐年上升，所谓的‘低价出口’正得到很好的改善。佛山陶瓷这一行业出口相比国内其它产业基地，已是好很多，企业每年都投入研发，推出新品，提高产品附加值。”是什么意思？

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Foshan ceramic exports accounted for more than 7 per cent, exports of Chinese ceramics on the wind vane, in 10 years ago, ceramic enterprise markets as if it were paved with gold, and the low production costs and profit margins, but as the industry grew ever larger, more competitive than ever, raw m

Foshan ceramics exports accounted for more than 70% across the country, can be called Chinese ceramic exports "wind vane%