涡轮流量计是基于动量守恒原理的流量仪表,与流体的()有关。
A. 密度
B. 粘度
C. 压力
D. 温度
One of the main purposes of refractories in a boiler furnace is to()
A. help preheat the air for the furnaces
B. help preheat the feedwater
C. protect economizer from excessive heat
D. prevent excessive furnace heat losse
WinBSC菜单中SBL state list是为了()
A. 显示所有处于IT状态的SBL
B. 显示所有SBL的状态
C. 显示所有不在IT状态的SBL