钢筋
参考答案:
配置在钢筋砼及预应力钢筋砼构件中的钢条或钢丝的总称。
Are you suggesting that I _____ too old for the job?
A.am
B.should be
C.be
D.was
煤矿安全规程规定哪些入井人员必须携带甲烷检测仪?