查询词典 poval
- 与 poval 相关的网络例句 [注：此内容来源于网络，仅供参考]
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In order to improve anti-fatigue property of wire rope, poval solution sorbitized treatment by water quenching replacing by lead quenching has been studied in laboratory, and a heat treatment process to obtain fine and homogeneous sorbite and possess high micro-hardness has been found.
为了进一步提高钢丝绳的抗疲劳性能，本文还进行了用聚乙稀醇水溶液水浴淬火索氏体化处理替代铅浴处理的实验室研究，找到了一种能使钢丝得到细而均匀的索氏体组织和具有较高显微硬度值的热处理工艺。
- 推荐网络例句
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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
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The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很，以良性病变为主。