p-rCOCA¹⁷⁵⁰⁰⁷ 基本例句 abbr.宾夕法尼亚-雷丁海岸线线路=Pennsylvania-Reading Seashore Lines Finally, the prototype of a new type snakelike robot based on the P- R module was produced, which further verified the agility of P-R module. 最后通过研制的新型攀爬蛇形机器人样机,验证了 P- R模块的可实现和灵活性。 dictall