OstaraCOCA¹⁹²⁰⁷²BNC²³⁶²¹³⁺¹ 基本例句 奥司脱拉牌手表 The Vancouver company Ostara hopes to use this fact to overcome our shrinking supply of recoverable phosphorus rock, one of three essential components of modern fertilizer. 来自温哥华的奥斯塔雷公司希望利用这一点来解决磷矿石产量逐年下降的问题。磷是现代化肥的三大组成部分之一。 yeeyan