单项选择题
A.KV1106 B.KV1105 C.KV1103
A.KV1103 B.KV1105 C.KV1106
A.KV616 B.KV615 C.KV611
A.KV611 B.KV615 C.KV616
A.KV1301 B.KV1303 C.KV1307
A.超温 B.超压 C.剧烈震动
A.旋涡泵 B.往复压缩机 C.离心压缩机
A.泵入口 B.泵出口 C.泵出入、口
A.泵出口阀全开 B.变频器开度调50%左右 C.出口管线调节阀全开
A.扬程 B.气蚀余量 C.功率
A.80000-100000 B.100000-150000 C.150000-260000