... sliding spool valve ==> 滑阀 sliding spring ==> 滑簧 sliding spring key ==> 滑动弹簧键 ...
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sliding spring key 滑动弹簧键
spring sliding plate 弹簧滑动片
After peaking in the spring, world stocks market have been sliding lately amid concerns about a slowdown in world growth and a possible double-dip recession.
FORBES: Stocks Are Cheap Enough To Absorb Earnings Downgrades
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