鉆孔直徑 的英文怎麼說
中文拼音 [zhēnkǒngzhíjìng]
鉆孔直徑
英文
borehole diameter-
Landslide is a geological hazard with serious losses. it is very important to research the controling methods. slide - resistant pile, which has many advantages such as high adaptability, little interference to landslide and geological environment, short construction time, high silde resistance, is a main method to control landslide. pneumatic down - the - hole hammer is a drilling method with many advantages. its features, such as wide application range, high hole quality, no circulating medium, low operation regulations, and drilling big diameter rock hole, fit to construct slide - resistant pile. according to the requirement of silde - resistant pile construction, this paper analyses feasibility that pneumatic dth hammer drilling applies to construct slide - resistant pile on the basis of introducing the features of pneumatic dth hammer. then an applied example is given
滑坡是一種危害極大的地質災害，它的整治方法研究具有重要意義.抗滑樁是一種適應性強、對滑坡穩定性和地質環境干擾小、工期短、抗滑能力強的滑坡整治方法.風動潛孔錘鉆進是一種具有許多優點的鉆進方法，它的許多特點，如成孔質量高、應用范圍廣、無液體循環介質、鉆進規程參數小、可實現大直徑基巖鉆孔等都適合於抗滑樁施工.文章在介紹風動潛孔錘鉆進特點的基礎上，根據抗滑樁施工要求，分析了風動潛孔錘用於抗滑樁施工的可行性，並舉出了其應用實例Construction technology of drilled pile in karst area
巖溶地區大直徑鉆孔樁施工技術Tubular heat exchangers ; tube pitches, diameter of bores in tube sheets, baffles and support plates
管式熱交換器.管心距管薄板的鉆孔直徑.擋板和支承The major diameter filling pile drilling machine of qj250 - 1 type applies to major diameter bridge pier hole of various geologic conditions such as ravelly ground, clay loam layer, sandy gravel, breaking layer and lithosphere as well as other various major diameter pore forming construction
1型大直徑灌注樁鉆孔機適用於鬆散地層、粘泥層、砂礫層、破碎層和巖石層等多種地質條件的大直徑橋樁孔，以及其它各種大直徑成孔施工。Hydraulic drill drilling couping
鉆孔直徑400mmHole diameter drilling capacity
鉆孔直徑深度：Max drill capacity : 65mm
最大鉆孔直徑： 65mmThe larger reverse circulation bits used for drilling through pebbles
卵礫石層大直徑反循環樁孔鉆進用鉆頭An approach to the cause of failure of large diameter long - hole drilling tools
大直徑深孔鉆具失效原因探討Due to its light and compact construction the wall saw oukai hds - 350s is the ideal one - man - saw for daily cutting jobs and drilling jobs on job sites
鉆孔施工時效率高，鉆孔直徑大，是一種可在鋼筋混凝土陶瓷玻璃水泥磚及瀝青路鐵路橋隧鉆孔和取樣的工具。The experimental results show that the distribution of the radial static pressure behind the model cascade can be controlled by changing the diameter, number and distribution of the holes at different radius of the full circled backboard with the holes properly ， and the experiments variable enthalpy drop in the model cascade can be realized by using out - circled backboard or in - circled backboard which are set on the different distances from the trailing edge of the model cascade
實驗結果表明，適當選擇全環鉆孔擋板不同半徑處的鉆孔率、鉆孔直徑與分佈，可調節靜葉后徑向靜壓分佈，採用外環或內環擋板，並將其分別置於靜葉的近、中、遠下游，可實現靜葉柵的變焓降實驗。Since the pebble structure is of big pellet easy to be permeated ant it is difficult to smash and drill, the appliance with big diameter and deep cast - in - place pile has been greatly restricted
卵石地基具有顆粒大、透水性強、進尺和破碎困難、容易垮孔等困難，限制了大直徑深孔鉆孔灌注樁在其中的應用。Application of video streaming media technique in teaching
本標準適用於最大鉆孔直徑小於或等於Impact of bottom settlings and mud cake on vertical supporting capacity of large - diameter predrilled cast - in - place pile
樁底沉渣與樁周泥皮對大直徑鉆孔灌注樁豎向承載力的影響分析Comparing with non - rotating abrasive jet, the hole diameter and the volume of rock - breaking are many times larger than the former by use of rotary abrasive jet on the same condition
與非旋轉磨料射流相比，同樣條件下旋轉磨料射流鉆孔直徑和破巖體積都比前者高出多倍。Experiments show that rotary abrasive jet has double profits that are large hole diameter and high rock disintegration efficiency, and with the increment of pump pressure, the hole diameter also increases
結果表明，旋轉磨料射流破巖具有鉆孔直徑大和破巖效率高的雙重優點，並隨泵壓增加，鉆孔直徑也增加。The holes are only borings, less than a foot in diameter
這些洞只不過是一些鉆孔，直徑不到1英尺。Engineering drill hole dia.
鉆孔直徑：Drill hole dia.
鉆孔直徑：The max. depth of drilling is about 50 times of drill tools dia and have to see material for drill specially size
本機種鉆孔深度以鉆頭直徑50倍為標準，特殊規格需視加工材質定分享友人