单选题
预防措施之一是使易燃物远离工作区至少50英尺。
A
One of the safety precautions is to keep the combustible material from the work area at distance of 50ft at least.
B
One of the safety precautions is to keep the flammable material from the work area at distance of 50ft at least.
C
One of the safety precautions is to keep the combustible material from the work area at a minimum distance of 50ft.
答案解析
正确答案:B
相关知识点:
易燃物离工作区至少50英尺
题目纠错
