JACECOCA⁶⁸³³⁶ 基本例句 Joint Alternate Command Element,联合预备指挥部 With the addition of the chair model, the JACE Shoulder chair CMP achieves internal and external rotation as well as elevation forward flexion. 凭借椅子一样外型，该产品可以实现内部和外部的轮换以及提升向前弯曲。 www.e-gtm.com.cn