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中文 English Eesti 为了增强稳定性,组装完成后两周左右应该重新拧紧 For increased stability, re-tighten the screws Stabiilsuse suurendamiseks, pingutage kruvid 螺丝。每年应检查几次,确保螺丝都拧紧。 about two weeks after assembly. Make sure they üle kaks nädalat pärast paigaldamist. Kontrollige stay tight by checking them a couple of times per kinnitusi paar korda aastas. 繁中...