It needs to be sturdy and mounted securely, and it should be rated for the outboard motor's weight.
它应该结实，安装得牢固，并与发动机重量相称。
When you will be tying a young horse or a horse not accustomed to being tied, tie him to an inner tube attached to a ring securely mounted on the wall.
当你要将一匹年轻的马或是一匹不习惯被拴住的成年马拴住的话，把他拴在一个附有内胎的牢固的拴马环上。
Ensure that any mobile phones or related equipment installed in your vehicle are securely mounted.
确保汽车中安装的任何手机或相关设备已安装妥当。
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