维护工人 surfaceman

指导维护工人 Guide maintenance workers ; steering maintenance workers

国际工人保护法 International Labor Legislation

开发并维护工人培训 Develop and maintain the training of the workers

高速公路养护工人 Highway Maintenance Workers

护路工人 trackman ; surfaceman ; trackwalker

医护人员工作服 overalls for medical perso els

工人用护膝垫 Knee-pads for workers ; worker's knee pads

工人防护面罩 workman's protective face-shield