踽踽yu 发表于 2019-3-15 19:06:26

BS ISO 18738:2003 Lifts (elevators) — Measurement of ride quality

BS ISO 18738:2003 Lifts (elevators) — Measurement of ride quality

admin 发表于 2019-3-18 10:45:58

谢谢您的分享,金币已奖励!
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