电涡流传感器的测量电路主要有____式和____式。电涡流传感器可用于位移测量、____、____、和____。
电涡流传感器按激励频率的高低分类,有____和____两种类型。
Whatwouldyousayifyoudon’tunderstandandgetthefacts?
A.Didyouorderthis?
B.MayIknowwhatyouordered, madam?
C.TheratesareintheWelcomeBooklet.
D.Didweinformyouaboutthisrate, sir?
Whatwouldyousaytoaguestwhohasbeenupset?
A.I’msosorryyouhavebeentroubled.
B.I’msorrytohavekeptyouwaiting.
C.Don’tworryaboutit.
D.Leaveittome.
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