kerogen is the leftover material of sporopollen element and lignin in original bodies in different thermal metamorphic period and it is the original material of gas-oil formation.
干酪根主要是母源体中的孢粉素与木质素在埋藏环境中不同热变质阶段的残留物,是油气形成的母源物。
adopting once punching process and using fewer cost and worse plasticity leftover material finish twice drawing of compound die.
分析了小圆角圆筒件的成形工艺性,利用成本较低、塑性较差的角料,采用一次沖压工序完成二次拉伸的复合模。
surface and assistant material area:textile surface material, fabric, leather, leftover material etc.
面辅料展区:纺织面料、布艺、皮革、边角料等家具基材、辅材等。
i made the curtains, and there was enough leftover material for some cushion covers.
我做完窗帘,剩下的布料还足够做几个垫子。
when the watercolor-like cloud surrounding the open cluster of stars was first observed, it was thought to be leftover material from the formation of the cluster.
这种围绕在恒星疏散星团周围的水彩状气体云是第一次被观测到,一般认为这种气体云是恒星群形成后的剩余物质。
clean up the leftover material remaining after cutting in a timely manner, and put the workpiece processed.
及时清理切割后余留的边角料,并摆放好加工完毕的工件。