roadmen

网络  修路工人



双语例句

  1. Objective: To discuss the influences of three compound anti-hypoxic drugs on hemoglobin ( Hb) of roadmen rapidly ascended to high altitudes at different time.
    目的:探讨三种抗缺氧药物对筑路工人急进高海拔地区不同时间血红蛋白的影响。