变压器低压侧中性点接地属于()。
参考答案:工作接地
Managing money has long been a headache for students mostly supported by their family, who find it ________ to deal with their finances.
A.challenging
B.rewarding
C.demanding
D.exciting
治疗血证主要应掌握治()、治()、治血三个基本原则。