If all else fails and you simply can't get used to Vista's quirks, you can always install Windows XP on your pre-installed Vista PC, either as a dual-boot, or completely replacing Vista.
如果其他的都失败了而且你实在受不了Vista的坏毛病，你也可以在预装Vista的电脑上安装WindowsXP，可以是双系统，或者完全替代Vista。
Assembly-integral composite floor which used pre-stressed hollow slabs or solid thin-slabs has dual merit of integral floor and assembly floor, it is a kind of floor which has good prospects.
采用预应力混凝土空心板或实心薄板作为底板的装配整体式叠合楼盖具有整体式楼盖和装配式楼盖的双重优点，是一种很有前途的楼盖形式。
Responding to adopt dual sawing clip rolling bearings and carbide orientation, prolong service life pre-assembled.
锯夹采用双滚动轴承和硬质合金导向、延长锯条使用寿命。
The seal ring uses the floating seat ring structure with o-sear ring sealed and pre-tightening force applied to have inlet and outlet dual-way sealed;
阀座采用O形密封圈密封和施加预紧力的浮动阀座结构，使阀门进出口双向密封；
The seal ring uses the floating seat ring structure with o-sear ring sealed and pre-tightening force applied to have inlet and outlet dual-way sealed;
阀座采用O形密封圈密封和施加预紧力的浮动阀座结构，使阀门进出口双向密封；
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