tethered balloon 中文意思是什麼
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Tethered hot - air balloon rides or tethered helium balloon rides and such ancillary facilities ( including catering services ) as may be approved in writing by the district lands officer ; or
登上栓繩熱氣球或栓繩氦氣球升空游覽的場地及地政專員書面批準的其他附屬設施（包括餐飲服務） ；或
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