Semi-thin and thin Hard Lock Nuts are also available.

半薄型与薄型也可提供。

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Hard Lock Nuts have been proven effective in a variety of tests.

通过各种测试，强力锁紧螺母已被证明是有效的。

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The two-piece Hard Lock Nut is easy to install, requiring only the use of a wrench.

双件套强力锁紧螺母安装简便，只需要一个扳手就行。

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"I think until we know exactly the statuses of everyone involved, it's hard to lock yourself into the 500, " Keselowski said.

NPR: Fans Injured When Car Sails Into Fence At Daytona

"I think until we know exactly the statuses of everyone involved, it's hard to lock yourself into the 500, " Mr. Keselowski said.

WSJ: Last-Lap Crash Injures Nascar Fans

If you are being asked to lock your hard-earned cash away for thirty years or more, and then to have to buy an annuity at the end, you should receive more favourable tax treatment than you do on your short-term savings which you can draw out at any time and spend on whatever you like.

BBC: Peter Thompson's speech