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发表于2025-01-16
Scuba Diving pdf epub mobi txt 電子書 下載 2025
This book provides instructions on all the necessary skills for scuba diving. Diving history, boat diving procedures, the science of diving, planning and the environment, and scuba lifesaving are all covered. Buddy check procedures are also included.
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Scuba Diving pdf epub mobi txt 電子書 下載 2025