vital center短语¹⁴⁴⁹⁷²⁺² 基本例句 生命中枢 As an emerging market of global PV industry, Canada constantly increasing the support to PV industry development and becoming another vital center of international PV industry. 作为全球光伏产业新兴市场，加拿大对光伏产业的扶持力度不断加大，已成为全球光伏产业发展的又一重地。 news.bjx.com.cn