Closed loop soft water cooling system, 3rd generation new type cooling stave and thinner-synthetic lining have been used in bosh, belly and lower stack.

在炉腹、炉腰和护身下部区域，采用了软水密闭循环冷却系统、第3代新型冷却壁和组合薄炉衬技术。

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"The index topped a few months ago, and on each rebound we're seeing lower highs followed by lower lows, " says Stack, who cautions that it's not unreasonable to assume that home owners will see 30% to 50% of the last five years' price gains erode as interest rates and high home prices put an end to the boom.

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The lower density means dramatically less drag force acting on the spinning disk stack so that mechanical power into the motor is substantially reduced.

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Nonetheless, persistent economic weakness and declining consumer confidence, says Stack, suggest that the claw of the bear may send stocks lower still.

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