Factory mainly produces high-grade ceramic grinding head grinding wheel, diamond grinding head, diamond file, diamond grinding wheel, high-precision wool grinding head, fiber oilstone, flexible rubber grinding head, grinding head, such as elastic sponge.

本廠主要生產(chǎn)高檔陶瓷砂輪磨頭无码Aa在线看性色，金剛石磨頭韩国A级黄色电影，金剛石銼刀视频二区日韩，金剛石砂輪国产又黄又粗又长网站，高精羊毛磨頭国产在线观看福利大片，纖維油石园产一级毛片兔费观看视频在线，彈性橡膠磨頭，彈性海綿磨頭等18p影院av。

In china, diamond used in the products such as diamond bits and diamond saws are more than 60%.

由于金剛石鉆頭和金剛石鋸片所用金剛石占我國金剛石產(chǎn)量的60％以上一级特黄AAA片免费一区三区。

As a result, for example, an 80 DEG diamond, a 55 DEG diamond and a 35 DEG diamond cutting insert may all be utilized within a common toolholder.

其結(jié)果是亚洲网站在线播放，例如80°菱形、55°菱形和35°菱形的切削刀片全都可以在一相同的刀夾內(nèi)使用三级色网站在线。

For a 1116Kg chromitite and a 384Kg mantle peridotite sample, by heavy mineral separation and picking up under a binocular microscope following productions are obtained: the UHP minerals including moissanite and over 1000 diamond grains are discovered firstly from the Kangjinla chromitite orebody Cr-11, which is far more abundant than the Luobusa district; a series of unusual mantle minerals like moissanite and a great deal of diamond grains are discovered firstly from the host rocks of chromitite orebody Cr-11, providing the foundation of discussing the chromitite origin and its relation with the host rocks; besides the UHP minerals like moissanite and diamond, various special mantle minerals are revealed from the chromitite orebody Cr-11 and its host rocks including some native elements, alloys, oxides, sulphides, silicates, carbonates, and tungstates.

2人工重砂發(fā)現(xiàn)鉻鐵礦和地幔橄欖巖中的金剛石等特殊地幔礦物日韩在线精品福利网站视频。1116 Kg鉻鐵礦和384Kg地幔橄欖巖大樣經(jīng)人工重砂分選和雙目顯微鏡下挑選礦物，取得如下成果：首次在康金拉11號鉻鐵礦體中發(fā)現(xiàn)了上千粒金剛石插入下体视频，以及碳硅石等強還原環(huán)境的超高壓礦物久久精品国产AV网站，數(shù)量遠遠超過在羅布莎鉻鐵礦礦區(qū)中發(fā)現(xiàn)的金剛石；首次在康金拉11號鉻鐵礦礦體的近礦圍巖中發(fā)現(xiàn)了大量金剛石和碳硅石等一批異常地幔礦物又大又粗,黄色视频，為探討鉻鐵礦的成因及與近礦圍巖地幔橄欖巖的關(guān)系奠定了基礎(chǔ)美女爽爽爽快快AAA；除挑選出金剛石和碳硅石等超高壓礦物，在康金拉11號鉻鐵礦礦體與圍巖地幔橄欖巖中還發(fā)現(xiàn)了自然鐵球一级特黄视频免费在线观看影视资讯、金屬互化物伊甸2021、氧化物、硫化物九一视频在线观看精品、硅酸鹽等一批異常地幔礦物天天日天天干天天日天天。

Considering the unsolved problems of designing diamond segments and the available laboratory conditions, this paper tried to make a united research on cut materials and cutting tools. By studying on stone machinability, diamond metalizing, bond formulation and sintering condition adjusting and the compatibility between stone and segment, some basic rules for designing diamond segments were concluded.

根據(jù)目前金剛石切石鋸片設(shè)計中存在的問題及實驗室所具備的條件，本文力圖將切割對象和切割工具統(tǒng)一起來進行研究观看日本黄色网络视频；通過對石材的可鋸性jiujiuren、金剛石表面金屬化、結(jié)合劑性能的調(diào)整以及工具與巖石的適應(yīng)性等方面的研究欧美一级黑人黄片，從而找出面對特殊切割對象的專用性產(chǎn)品的設(shè)計思路日本黄色网站免费在线看。

Using a Diamond Tester : A diamond tester works well to determine if light refracts correctly for a diamond.

使用鉆石測試：一個行之有效的鉆石測試，以確定是否正確地折射光的鉆石日韩一级a毛一级a做免费视频。

Using a Diamond Tester : A diamond tester works well to determine if light refracts correctly for a diamond.

使用鉆石測試：一個行之有效的鉆石測試日日做夜夜操，以確定是否正確地為鉆石光折射。

But the blue diamond prices steadies after showed soaring route to slump again in 2008, as in the watershed within five years, prices, and more than twice as 2008 flat, by the end of 2008, 1 carat weight above the blue diamond size has plunged 35%, small blue diamond prices declined 15% at least.

而藍鉆石的價格則呈現(xiàn)出先暴漲后持平再暴跌的路線色呦呦视频免费观看，以2008年為分水嶺www天天干com，在此前的5年之內(nèi)，價格上漲幅度超過了2倍操逼吃奶动态图，而2008年基本持平在线视频啪，2008年年底開始，1克拉重量以上的大體積藍鉆石至今暴跌了35%欧美大屌激情，小體積藍鉆石的價格也至少跌了15%又黄又刺激又色又湿又爽无遮挡。

Study of the mesh selectivity of diamond and square mesh codend of two-stick swingnet;2. In order to assess the size selectivity for fishes of beam trawl fishing in offshore of the East China Sea,experiments of codends with different mesh configuration,including diamond mesh, square mesh and turned through 90° diamond mesh(T90) in 4 sea trials have been carried out and catch data were collected by comparative fishing method.

選擇性分析結(jié)果顯示，對于短吻舌鰨欧美精美视频一区二区三区四区，橫向使用的菱形網(wǎng)目網(wǎng)囊L50(50%選擇體長)最大80老女人乱婬视频，而SR最小，菱形網(wǎng)目網(wǎng)囊L50最小，而SR最大操美女b；對于棘頭梅童魚和小黃魚久久精品五视频，菱形網(wǎng)目網(wǎng)囊的L50最小，SR最大1024你懂的在线观看，橫向使用的菱形網(wǎng)目網(wǎng)囊L50最大国产自产一区av，而方形網(wǎng)目網(wǎng)囊SR最小国产亚洲日韩精品欧美一区二区；除不同結(jié)構(gòu)的網(wǎng)目擴張程度不同以外国产自慰喷水福利，魚體體型結(jié)構(gòu)的特殊性以及網(wǎng)囊結(jié)構(gòu)也可能是導致選擇性差異的主要原因。

The effect of nano-diamond powder on the forming speed, microhardness and wear-resistance of compound brush plating Ni-P coating, the wear-resistance of brush plating Ni-P coating, Ni-P nano-diamond composite coating and Ni-P micro-diamond composite coating was tested. The mechanism of improving wear-resistance by of composite coating was analyzed.

中文摘要：研究了納米金剛石粉對復合電刷鍍鍍層形成速率一级毛片免费看大尺度、顯微硬度和耐磨性的影響www.操.com；測試了在不同的熱處理溫度、載荷及金剛石粉含量下復合刷鍍層的耐磨性能看黄网站在线看；分析了復合鍍層的磨損機理91精品国产综合在线蜜臀。