| 摘要 |
An oxygen sensor (1) includes a sensor element (2), a holder (4) having a hole (3) through which the sensor element is arranged, a sealing positioning portion (5) for sealing a clearance between the sensor element and the holder and positioning the sensor element in the holder and being filled with a ceramic powder, terminals (6) arranged to be in contact with the sensor element and for taking an output from the sensor element, an insulator (7) secured to the holder at a first end and for holding the terminals, a casing (8) secured to the holder at the first end and for covering an outer periphery of the insulator, and a protector (9) secured to the holder at a second end and for covering an outer periphery of a portion of the sensor element, the portion protruding from the second end of the holder. <IMAGE>
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