和德加一样，他在粗糙纸上用色粉作画；和汉斯·梅姆林一样，他在完全竖直的画板上作肖像画。
Like Degas, he rubbed pastels over heavily textured paper; like Hans Memling, he painted portraits in severe vertical panels.
在印度尼西亚的加里曼丹，一双粗糙的手小心翼翼地作着细致的活，从在一次非法采矿行动中萃取的金子里挤出水银。
Rough hands attend to the delicate work of pressing excess mercury from gold extracted at an illegal mining operation in Kalimantan, Indonesia.
公差这个概念既包括尺寸偏差范围和表 面粗糙度范围， 也包括由热处理和其它处理操 作所引起的机械特性的变化。
Tolerances cover dimensional variation and surface-roughness range and also the variation in mechanical properties from heat treatment and other processing operations.
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