To measure the straightness, erect the workpiece on the measuringblock placed on the surface plate.
测量直线度时，将工件竖放在放置于平板上的测量块上。
2
Through measuring cylindrical section and surface of gauge block, this system is viable to measure free-form surface and high-reflective metallic surface.
对圆柱正截面和量块表面的测量试验验证了该测量系统对自由曲面和金属强反射表面测量的可行性。
3
Properties of OCS surfactant were studied for application to Block 1219 in Dagang oilfield by measuring interfacial tension, solubilization capacity, adsorption amount and oil displacement efficiency.