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Collimation can be done later, ensure all the brackets are fastened properly and the length of fastener should not exceed the 20mm offset i.e., 20mm space between mirror and the inner diameter of the tube.，推荐阅读新收录的资料获取更多信息
，详情可参考新收录的资料
Christina Koch (far left) is the only female crew member of Artemis II
Lex: FT’s flagship investment column。关于这个话题，新收录的资料提供了深入分析