The fuel supply system to an automatic auxiliary boiler, will be automatically shutdown if
A. salinity is abnormally high
B. steam demand is too high
C. water level is abnormally low
D. feedwater flow is low
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标准工作日即每日工作8小时,这适用于个体工商户吗?
党章规定,共产党员享有()项权利,同时必须履行()项义务。
A. 五,五
B. 七,七
C. 八,八