降压变压器次级母线集中补偿,主要用于补偿变压器的漏抗和励磁电抗所产生的无功。
参考答案:对
Look! ______ Some fish on the table, and some apples ______ in the box. [ ]
A. is; are
B. are; is
C. are; are
D. is; is
最可能的诊断是
A.急性胆囊炎
B.急性胃炎
C.急性肠梗阻
D.急性胰腺炎
E.急性胆管炎