trackbed
- 更多網(wǎng)絡(luò)例句與trackbed相關(guān)的網(wǎng)絡(luò)例句 [注：此內(nèi)容來源于網(wǎng)絡(luò)，僅供參考]
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The principle of railroad trackbed inspection with GPR mounted on track vehicle is introduced. In line with requirements of exploring depth, accuracy and speed in the process of field survey, the layout of GPR survey line is put forward, the center frequency of antenna, the maximum time window, the temporal sampling interval and the space between traces are calculated according to the theoretical formulas.
介紹了使用路檢車裝載探地雷達(dá)對(duì)鐵路路基檢測(cè)的原理国产呦系列合集1000部，結(jié)合野外探測(cè)過程中對(duì)測(cè)量深度AA高潮女人免费视频看中国特色、精度和行車速度的要求，給出了GPR現(xiàn)場(chǎng)工作測(cè)線布置的原則亚洲欧美日本A∨在线观看，理論上給出天線中心頻率亚洲一区欧美日韩字幕、時(shí)窗、采樣率免费国产乱伦不卡、測(cè)量點(diǎn)距的計(jì)算公式无码AV无码AV毛片毛。
- 更多網(wǎng)絡(luò)解釋與trackbed相關(guān)的網(wǎng)絡(luò)解釋 [注：此內(nèi)容來源于網(wǎng)絡(luò)，僅供參考]
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trackbed：道床
9741 trackage right operation 啣接他路運(yùn)轉(zhuǎn) | 9742 trackbed 道床 | 9743 track-carrying train 軌排運(yùn)輸列車
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solid trackbed：整體道床
7762 Solid State 固態(tài) | 7763 solid trackbed 整體道床 | 7764 solid train 直達(dá)列車
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Roadbed, Formation, Trackbed：路基
7358 roadbed pressure 路基壓力 | 7359 Roadbed, Formation, Trackbed 路基 | 7360 roading diagram 路基標(biāo)準(zhǔn)斷面圖
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trackbed resistance;ballast resistance：道床阻力
軌道阻力 track resistance | 道床阻力 trackbed resistance;ballast resistance | 扣固力 fastening force