查询词典 drills

Our products including End Mills, Machine Taps, Reamers, Center drills, Counterbore, Countersinks, Core drills, HSS tool bits and milling cutters.

公司产品包括：直柄、锥柄铣刀、丝锥、中心钻、倒角刀、扩孔钻、铰刀、锥钻、直钻及各类高速钢刀具。

Experiments were carried out concerning drilling of CFRP, using solid carbide drills and diamond drills. It was found that the diamond drill were an ideal tool for drilling of CFRP.

本文最后对碳纤维复合材料高质量制孔技术进行了试验研究，给出了几种金刚石钻头的结构，经钻削试验发现金刚石钻头是碳纤维复合材料高质量制孔的良好工具和今后发展方向。

It achieves non-fading truly, and have no cedrat;"DRILLS" UV board select imported high luminance, high clear UV finish-coat. The pan gloss is sharp, feel lubrication, bears the friction, anti-corrosive, and antibacterial.The quality and the service are our pledge to the customer."DRILLS" UV board is the

且钻牌UV板采用符合欧洲E1级环保标准的防潮型基材，国际知名品牌高亮高清晰UV光固化环保油漆，质量和服务是我们对客户的承诺，钻牌UV板是橱柜、板式家具首选的绿色环保材料。

Research on the carryover law of thermal energy in the inner of drills, crust and isotrope stratum, the theory of thermal delivery among subterrene drills, hot melts and stratum.

研究热能在热熔器内部、壳体、均质土层中的传递规律；研究热熔器、热熔体与土层间的热交换；2。

Research on the design parameters of the crust of subterrene drills, the inner structure of drills.

研究热熔器壳体设计参数、实用的热熔器内部结构；4。

This article also pointed out that level and smooth outer of the subterrene drills is one of the valid method to decrease movement and displacement of the subterrene drills.

并指出平滑的热熔器外壳是减少热熔器移动阻力的有效途径之一。

The course of heat conducting in the drills has a detailed analysis first time, and it's pointed out that the loss of heat energy can be decreased through the reduce of distance between heating resistant element and inner casing of the subterrene drills, and thickness of the shell.

钻进压力对钻进速度的影响与地层中的空隙和孔隙有关，即地层越松散，钻压的影响越大，可以与热熔器的热功率一样，采用比钻压的概念，即在热熔器单位横截面积上的钻压值。

In America, Russia, Japanese and other countries, this method has been taken research for more than thirty years, much first-hand data has obtained during the experiment and usage, great achievements has gotten in the aspect of subterrene theory, drills' structure, etc. Especially in Russia, research on subterrene drills applied on low melting point stratum got big success already.

美、俄、日等国开展热熔法研究已有三十多年的历史，在热熔钻的试验及使用过程中获得了大量的第一手资料，在热熔理论、热熔钻具结构研究等方面取得了很大的成就，尤其是前苏联在针对低融点地层的热熔钻具的研究方面取得了圆满的结论。

At last, indoor test to the new subterrene drills is carried out. All norms getting from the test achieved require designed. If this subterrene drills is popularized and applied on engineering construction, great economic benefits can be gained soon.

对新式热熔器进行了室内试验，得出的各项指标基本达到设计要求，若该热熔器推广应用于工程施工中，将会产生巨大的经济效益。

The course of heat conducting in the drills has a detailed analysis first time, and it's pointed out that the loss of heat energy can be decreased through the reduce of distance between heating resistant element and inner casing of the subterrene drills, and thickness of the shell.

对新式热熔器进行了室内试验，得出的各项指标基本达到设计要求，若该热熔器推广应用于工程施工中，将会产生巨大的经济效益。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。