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- Slow penetrating rate of the traditional gas nitriding is an important factor affecting its production cycle . 傳統的氣體滲氮工藝的滲速慢是影響其生產(chǎn)周期的一個(gè)重要因素。
- High mobile and Internet penetration rate. 流動(dòng)電話(huà)及互聯(lián)網(wǎng)滲透率甚高。
- The penetration rate is getting slower. 鉆速變慢了。
- Select the best penetration rate. 選擇最佳鉆進(jìn)速度。
- The results show that the catalytic cementation nitrocarburizing below the eutectoid temperature has a rapid penetrating rate and high hardness for the diffusion layer. 化合物層隨催滲溫度升高而增厚,致密性提高;
- Lots of details of bit rock interaction are revealed and load on bit teeth and penetration rate are obtained. 仿真結果與臺架試驗結果很接近，從而驗證了仿真程序的正確性。
- At that time, China's switchboard capacity only totaled 4 million lines, with the penetrating rate standing at 0.3 percent. Now, the country's switchboard capacity has jumped astonishingly to 180 million lines. 當時(shí)，中國全國電話(huà)也只不過(guò)是400萬(wàn)門(mén)左右，每100人只有0.;3部，現在怎么樣呢?有1
- Power drill tool and PDC bit are used to ensure wellbore quality and penetration rate; polysulfonate potassium drilling fluid system is used to ensure downhole safety. 應用動(dòng)力鉆具配合高效PDC鉆頭鉆井技術(shù),保證了井身質(zhì)量和鉆井速度;應用聚磺鉀鹽鉆井液體系及相關(guān)安全技術(shù)措施,保證了井下安全。
- PDC bit have advantages of high penetrate rate,long bit life which saving tripping times so that the application of PDC bit can improve drilling efficiency. PDC鉆頭具有鉆進(jìn)時(shí)間長(cháng)、機械鉆速高、起下鉆次數少等特點(diǎn),使用PDC鉆頭可大大提高鉆井速度。
- A new type of impregnated diamond bit with two sorts of diamond abrasives has been developed, which can improve both penetration rate and service life simultaneously. 研制出一種兩級磨料新型孕鑲金剛石鉆頭，該種鉆頭解決了時(shí)效與壽命不能同步提高這一長(cháng)期困擾鉆頭研制者的難題。
- Cumulation of permeation amount and penetrating rates and steady fluxs and lag times were obser... 結論:灰關(guān)聯(lián)聚類(lèi)法可客觀(guān)地、公正地評價(jià)促透劑的促透效果。
- The penetration rate of computers will be raised to exceed 4 percent by 2005. 提高計算機普及率，2005年達到4%25以上。
- He bit off a large piece of the apple. 他咬下一大塊蘋(píng)果。
- She was a bit queer after her husband deserted her. 她遭丈夫遺棄後精神有點(diǎn)失常。
- Field operation shows that, by using the hydrodynamic propulsor, not only the penetration rate is increased, the vibration of the bit and drill stem is reduced as well, thereby the service life of the bit is extended. 1995-1998年井下液力推進(jìn)器在大港油田等地區不同區塊20余口井上施工的實(shí)踐證明，使用這種推進(jìn)器不但可以提高機械鉆速，而且減輕了鉆頭和鉆桿的振動(dòng)，進(jìn)而延長(cháng)了鉆頭壽命。
- At this rate we won't be able to afford a holiday. 照這樣下去，我們不會(huì )有時(shí)間／錢(qián)去度假的。
- Determining drillability of the rocks in a well bore is directly related to the selection of bit type and the forecast of penetration rate,but the existing microdrillability test for studying rock drillability has quite much troubles. 對井剖面地層巖石可鉆性的確定直接影響到鉆頭選型和鉆速預測，然而，現有的研究巖石可鉆性的微可鉆實(shí)驗存在較多問(wèn)題。
- I reckon the girl is a little bit boyish. 這想這個(gè)女孩有點(diǎn)男孩子氣。
- The penetration rates of MPS were between 6 and 50 times of those of heparin. MPS（多磺酸粘多糖）的透皮吸率是肝素的6－50倍。
- Do you think Jack could bite in his secret want? 你以為杰克能忍住不說(shuō)出他藏在心里的欲望嗎？
