The fine bubble generating apparatus can freely change the introducing directions of the gas and the liquid even after the apparatus is attached to a fixed section.

提供一种一旦安装到固定部分之后，也能够自 由地改变气体及液体的导入方向的微小气泡发生装置。

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Fixed section bearings form one group of thin section bearings.

固定型轴承形成一组薄型轴承。

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In addition to IRC Section 179, a bonus first year depreciation is also available for certain new fixed asset purchases.

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