| 摘要 |
A clamp apparatus clamps a circular cover in joining together a base having a circular recess and the cover fitted into the recess of the base, at and around an entire annular joint interface between a circumferential wall of the cover and a circumferential wall of the recess of the base. The clamp apparatus has a clamp body and a presser member attached to the clamp body in a manner rotatable about the axis of the recess of the base and about the axis of the cover. The clamp apparatus enables joining of the base and the cover at and around the annular joint interface therebetween without need to provisionally join them at and around the interface.
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