Orientation is the common way in the mechanical machining and part assembling, and the orientation precision is the important target for ensuring the qualities of machining and assembling.

定位是机械加工和零件装配中的常用手段，而定位精度是保证加工质量和装配质量的重要指标。

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The lower part, or base, was made by assembling large mammoth bones to support the whole structure, which was 26 feet across at its widest.

FORBES: Archaeologists Find Neanderthal Dwelling Made from Mammoth Bones

As part of their efforts to persuade lawmakers, the group is assembling a package of testimonials from the former hostages.

CNN: STORY HIGHLIGHTS