Expansion sets connected by diaphragm type coupling.

利用胀套联接的膜片型联轴器。

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It sets a precedent for expansion of government power.

FORBES: The Supreme Court Disaster

The mayor of London has accused the government of inertia in putting off decisions on airport expansion in the south east of England until after the next election, and said the timetable sets a course for economic catastrophe.

BBC: UK Politics