【C7】
A. obviously
B. definitely
C. specifically
D. particularly
某一室内低压蒸汽供暖系统,最不利管段长度为180m.若控制每米总压力损失(比压降)为100Pa/m,则锅炉运行表压力应为()KPa。
A. 20
B. 30
C. 24
D. 35
A.Terrible.B.Shocking.C.unforgettable.D.Cherished.
A. Terrible.
B. Shocking.
C. unforgettable.
D. Cherished.
【C4】
A. make
B. shape
C. set
D. form