格缝 中文名称： 分格缝 英文名称： Diving Joint 友情链接 中国沙漏网 中国标号机网 吕梁商务网 中国字幕机网 中国滤板网 中国切胶机网 中国瓶体网 中国排气管网 中国砂磨机网 中
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When ship's crew is rescued by deep diving lifeboat, the key problem is how to find the position of life-saving platform accurately in order to joint with U-boat.
深潜救生艇在营救船员时，关键是要准确地找到救生平台的位置进行对接。
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The 69-year-old was chief instructor of the joint services diving school before he retired from the service in 2000.
BBC: Diver John Smith
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