螺栓长度将随着阀门厚度，匹配的法兰。

Bolt lengths will vary according to thickness of valve.

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请参阅图3和螺栓规格表，确定恰当的螺栓长度。

See Figure 3 and Bolting Specification table to determine proper bolt length.

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经过多次试验，我们解决了独特长度的螺纹杆，通过椅子上的小切口用螺栓连接在一起。

After many tests, we settled on threaded rods of unique lengths that were connected by bolts through small incisions (ear-piercings) in the chair.

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