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BEIJING SHINE SCIENCE and TECHNOLOGY CO. 北京世安科兴科技开发有限责任公司 地址 北京市宣武区育新街47号清芷园9号楼A座303室 邮编 100054. 联系人 刘军 电话 010 83501220 传真 010 83501327.
Tuesday, November 17, 2009. What is the Open Water course? The Open Water course is the basic scuba diving certification course taught by all certification agencies. There are small differences in course content between agencies, but they all cover the same basic skills and knowledge you will need to know as an independent diver. You should float at eye level. Some people float at forehead level or chin leve.
第五届 2016 寻找首都最美社工 活动 网上公示及网络投票通知.