The gross structure, principle of work and design gist of High-temperature and High-pressure rotary valve in pneumatic conveying system with solid wateric were introcued.

介绍了固体物料气力输送系统高温高压旋转阀的总体结构、工作原理、设计要点及其应用效果。

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It is pointed that engines various faults can make the gas acting pressure lower in individual cylinders, lead to worsen the balance of gross overturn moment, and wobble the idling engine.

指出，由于发动机的各种故障引起个别气缸气体作用力减小，导致总的反倒力矩平衡性恶化，出现怠速抖动。

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It is pointed that engine's various faults can make the gas acting pressure lower in individual cylinders, lead to worsen the balance of gross overturn moment, and wobble the idling engine.

指出，由于发动机的各种故障引起个别气缸气体作用力减小，导致总的反倒力矩平衡性恶化，出现怠速抖动。

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The gross margin pressure was compounded by the implementation of certain modules of SAP in the U.S. during the quarter.

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However, if consumers start to move from stores to online shopping and expect some form of free shipping, we could see some gross margin pressure in the medium term.

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Net earnings from operations are expected to decline approximately 15 percent- 20 percent in the first quarter due to gross margin pressure and higher marketing-related costs, to be followed by earnings growth in all subsequent quarters.

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