引起匙状甲的常见病不包括()。
A.缺铁性贫血
B.高原疾病
C.甲癣
D.慢性肺心病
E.风湿热
参考答案:D
单机容量为1500~6000kW(不含6000kW)或少雷区( )及以下的直配电机的保护接线中,对于3kV和6kV线路进线保护段长度l0与排气式避雷器接地电阻R的关系(即l0/R)应符合l0R≥200要求。
A.60000kW
B.70000kW
C.80000kW
D.90000kW
Some of the low-end Made-in-China mechanical-electronic products are not selling well in export market as compared with what are termed as high-end ones.
A.on export market
B.in exporting market
C.in exported market
D.in the export market