只有在在常温常压下用理想气体状态方程式计算，误差才不超过（）. ["1%","2%","3%","5%"]
选择同样合格的孔板时，运行范围越（），则有利于计量准确. ["高","低","宽","窄"]
原DN100孔板d=300mm发现运行差压值靠近差压计上限，试选择最合适的备用孔板是（）. ["d=25mm","d=100mm","d=40mm","d=30mm"]
当流量计差压超上限运行超过规定时间，应选择开孔较（）的孔板更换. ["大","小","标准","好"]
孔板人口边缘有（）应更换孔板. ["结晶颗粒","污脏","硫化铁粉","撞伤"]
根据《国务院殡葬管理条列》什么地区禁止建设坟墓？
