若收球筒内泥沙、焊渣等杂物总体积不超过5升，清管合格。

If the ball within the cylinder sediment, and welding slags sundry total volume in not more than 5 litre, pigging qualified.

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球镜度数与低阶像差、总体高阶像差、第3，5阶像差均存在明显的正相关。

The spherical equivalent refraction was significantly in positive correlation with the lower-order, total higher-order, 3rd and 5th order wavefront aberrations.

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但现场的气氛总体是轻快的，巴育穿着白色运动鞋和黑色运动服，带领官员们做有氧运动、打腾球。后者是东南亚一种隔网比赛的球类运动，有点像排球。

But the mood was buoyant as the general, clad in white sneakers and a black tracksuit, led officials through aerobics and sepaktakraw, a Southeast Asian net game that loosely resembles volleyball.

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