TVM钱箱现金钥匙、TVM补币箱座钥匙、TVM加币箱上盖钥匙、TVM加币箱抽板钥匙必须加封放于()保管,TVM钱箱现金钥匙不能带离()。
参考答案:保险柜;票务管理室
热导率单位符号的正确书写是()。
A.W/K·m
B.W/K/m
C.W/(K·m)
D.w/(K·m)
He tried to deal with the increasing burden of his work, but he finally ______ and had to take a complete rest.
[ ]
A. broke off
B. broke away
C. broke out
D broke down