The design method of double-direction head of the cart reduced turning radius.

双向车头的设计方式减小了拐弯半径；

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The benefit of a double-direction list is that the observer can delink from the chain itself at any time.

一个双向名单的好处是可以从观察链本身在任何时候脱钩。

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Single-direction and double-direction angular contact thrust ball bearings (Figures 1.50 and 1.51) are used for machine tool spindles requiring rigid axial guidance.

单向和双向推力角接触球轴承（图1.50和1.51）都用机床主轴轴向刚性作为指导。

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The Portuguese seemingly blew a double helping of two-handed kisses in the direction of Barca fans as he walked off down the tunnel.

BBC: SPORT | Football | Europe | The battle of Stamford Bridge

The double-lane road had been converted into a four-lane road with all traffic moving in one direction.

BBC: Pakistan's 'displaced deluge'

They sold completely out of UltraShort Health Care ProShares, an exchange-traded fund that moves double in the opposite direction of the Dow Jones U.S. Health Care Index.

FORBES: Magazine Article