| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem of the conventional vacuum cleaner wherein the cleaning work efficiency is low because only one suction opening part can be connected to the body or a connecting pipe of the body side. SOLUTION: Instead of replacing a suction opening part, during the cleaning work, a plurality of suction opening parts are always mounted, and a device capable of selecting the suction opening part by one operation is provided to facilitate cleaning work.
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