感觉中等个头的成年人都很容易翻出去。有解决办法吗?
https://www.bing.com/videos/search?q=how+to+raise+the+stair+hand+railing&&view=detail&mid=7B4DC9B0DCF0A13C1B617B4DC9B0DCF0A13C1B61&&FORM=VRDGAR&ru=%2Fvideos%2Fsearch%3Fq%3Dhow%2Bto%2Braise%2Bthe%2Bstair%2Bhand%2Brailing%26FORM%3DHDRSC3
42" is OSHA regulations.
感觉中等个头的成年人都很容易翻出去。有解决办法吗?
https://www.bing.com/videos/search?q=how+to+raise+the+stair+hand+railing&&view=detail&mid=7B4DC9B0DCF0A13C1B617B4DC9B0DCF0A13C1B61&&FORM=VRDGAR&ru=%2Fvideos%2Fsearch%3Fq%3Dhow%2Bto%2Braise%2Bthe%2Bstair%2Bhand%2Brailing%26FORM%3DHDRSC3
42" is OSHA regulations.