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发表于2024-11-15
Scuba Diving pdf epub mobi txt 电子书 下载 2024
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 电子书 下载 2024