| 摘要 |
PROBLEM TO BE SOLVED: To enhance mounting density of nozzles. SOLUTION: A common electrode 10 of first heating elements 11, 21 and second heating elements 12, 22 is disposed between first and second nozzles 20, 30. A first discrete electrode 17 is connected with a first discrete electrode 15 through through-holes 13, 14. Similarly, a first discrete electrode 27 is connected to a first discrete electrode 25 through through-holes 23, 24. The second heating elements 12, 22 are connected to second discrete electrodes 16, 26.
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