light drilling 中文意思是什麼
light drilling
解釋
輕型鉆機鉆進-
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。 -
This series pressing machine can be widely used in the technologies of drilling, losing materials, cutting, bending, shaping and light extension etc
本系列壓力機可廣泛應用於沖孔、落料、切斷、彎曲、成形、淺拉伸等工藝。 -
However the machining of light - composite armor material is still a dead - hand problem to be resolved, and so, this dissertation analyses and researches the mechanical - physics performance, the tissue - structure characteristics and the machining mechanism of light - composite - armor material ( fiber - reinforced polymer - based composite and defense - bullet ceramics ) ; researches the machining technology of light - composite - armor material, developing the special cutters and special clamps. researches the machining technology of light - composite - armor after molding, mainly resolving the drilling a hole and cut a straight - line of defense - bullet ceramics / fiber - reinforced polymer - based composite. using the machining tools, which mainly include multiple - tools machining fiber - reinforced polymer - based composite holes and diamond saw - blade, diamond hole - drills machining defense - bullet ceramics and so on, researched in this dissertation, the machining - experiment of composite, defense - bullet ceramics and ceramics / composite was carried through, and good machining result was gained
然而，輕質復合裝甲材料的加工仍是一個亟待解決的問題，為此本課題分析研究了輕質復合裝甲材料的物理機械性能、組織結構特點和加工機理，即：維增強聚合物基復合材料和工程陶瓷；研製了輕質復合裝甲材料加工所用的專用工裝，主要包括專用刀具和專用夾具；研究了輕質復合裝甲成型后的加工技術，主要解決了工程陶瓷復合材料板的鉆孔和直邊切割加工；利用所研究的加工纖維增強聚合物基復合材料臺階孔用的復合刀具、切割直邊用的金剛石釬焊切割鋸片、加工工程陶瓷用的金剛石套料鉆、切割工程陶瓷復合材料板用的金剛石切割鋸片等加工刀具對纖維增強聚合物基復合材料和工程陶瓷，以及工程陶瓷復合材料板進行了加工實驗，並取得了良好的實驗效果。 -
Practice on drilling blasting mining replaced by caving mining with light hydraulic supports in soft roof, soft coal and soft floor seam
煤層中炮采改為輕放開採的切眼支護實踐 -
This thesis fetches cold - formed thin - walled c steel beam - to - column connections with self - drilling screw connecting for being researched object in cold - formed thin - walled light steel structure system, have done the following three parts of research work to the performance of beam - to - column connection : ( 1 ) the resisting shear strength experiments of 20 pieces of jointing connected by self - drilling screws
本文取冷彎薄壁輕鋼龍骨住宅鋼結構中用自攻螺釘連接的c型鋼樑柱節點為研究對象，對節點的連接性能作了如下三部分研究工作： （ 1 ） 20個自攻螺釘連接試件的抗剪承載力試驗。 -
In light of the geological features of reservoirs in changqing gas field, the study and test of gas underbalance pressure drilling technology have been carried out in the field
摘要針對長慶氣田儲層地質特徵，開展了長慶氣田天然氣欠平衡鉆井技術研究及試驗。 -
By combining the conventional log data with the data on imaging logging, core, drilling - log and production test, etc., and on the basis of carrying out various additional conduction corrections for resistivites, the fracture opening may be calculated by use of the difference between the resistivities of dual laterallog ; the fracture porosity can be estimated according to a simplified dual laterolog interpretation formula ; and the fracture permeability may be acquired in light of the experimental relation between the fracture widths and the fracture permeabilities
將常規測井資料與成像測井、巖心、錄井、試油等資料相結合，在對電阻率進行各種附加導電校正的基礎上，利用雙側向電阻的差異計算裂縫張開度，根據簡化的雙側向解釋公式計算裂縫孔隙度，根據裂縫寬度與裂縫滲透率實驗關系求解裂縫滲透率。 -
This series pressing machine is suitable for these technologies of drilling in the material, losing materials, bending and light extension etc. it is widely applied to such vocations as electric implements, meter, switch and auto etc
本系列壓力機適用於板料沖孔、落料、彎曲和淺拉深等工藝，廣泛適用於：電器、儀表、開關、汽車等行業。 -
Standard grade for turning, drilling, milling, reaming, countersinking of hardened steels, white and grey cast iron light metals, plastics and synthetic materials, al - si - mn - cu - alloys, glass, ceramics, graphite
對硬鋼、白鑄鐵、灰鑄鐵、輕金屬、塑料、合成材料、鋁-硅-錳-銅合金、玻璃、陶器、石墨等進行車削、鉆孔、銑削、鉸孔、穿孔等加工的標準牌號。 -
Abstract : this paper made an approach to the form and cause of the failure of large diameter long - hole rock drilling tools in anqing copper mine and put forward some ways for extending the service life of rock drilling tools in the light of its practical use
文摘:文章主要就安慶銅礦大直徑深孔鑿巖鉆具的失效形式和原因進行了探討，並從鉆具使用角度出發提出了提高鑿巖鉆具使用壽命的途徑。 -
Through the study on various elements in sediment of drilling core that no 184 voyage of international ocean drilling project acquired, the sediment environment and matter source, the rule of content change of various elements, and the indication elements and phase state of organic matter and light hydrocarbon in sediment are studied
本文通過對國際大洋鉆探184航次所獲取的鉆孔巖心沉積物中各元素的研究，來了解沉積物的沉積環境及物質來源、各元素的含量變化規律及沉積物中有機質及輕烴的指示元素及相態。
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