There are fitness tests, eyesight and hearing tests and 25 days of residential training courses at the centre in Gravesend.
有健康开考核，视力和听力考核，还有在格雷夫森德为期25天的驻地训练课程。
There are fitness tests, eyesight and hearing tests and 25 days of residential training courses at the centre in Gravesend.
有健康开考核，视力和听力考核，还有在格雷夫森德为期25天的驻地训练课程。
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