| 摘要 |
<p>The present invention comprises: a body portion wherein concrete is seated in a position spaced by a set length toward the weight-coated central portion from both ends of an oil pipeline; and a measurement portion forming a measurement area along a longitudinal direction of the body portion, equipped in the body portion to adjust a length of the measurement area. The purpose of the present invention is to provide a dimension inspection apparatus which facilitates a shape inspection for both ends of the oil pipeline which is weight-coated with concrete.</p> |
