预知性修理就是通过设备故障诊断仪器的测量,预先知道没备的运行状况、传动元件的失效状况、刀具的磨损状况等,然后选取修理作业形式并确定时间。
参考答案:对
While assessing a client who complained of lower abdominal pressure, the nurse notes a firm mass extending above the symphysis pubis. The nurse suspects
A.a urinary tract infection.
B.renal calculi.
C.an enlarged kidney.
D.a distended bladder.
茎方形,叶对生,顶端着生穗状轮伞花序,气芳香,味微涩而辛凉的药材是()
A.荆芥
B.薄荷
C.青蒿
D.石斛
E.益母草