保险丝是用____________、_____________的铅锑合金制成的。
电阻率大 熔点低
Which of the following should the nurse include in a postoperative teaching plan for a client with a laryngectomy
A.Telling the client to speak by covering the stoma with a sterile gauze pad.
B.Reassuring the client that normal eating will be possible after healing has occurred.
C.Instructing the client to avoid coughing until the sutures are removed.
D.Instructing the client to control oral secretions by swabbing them with tissues or by expectorating into an emesis basin.
电费安全风险,主要包括()等。
A、管理风险
B、欠费风险
C、发票风险
D、抄表及核风险
E、合作单位风险