submerged orifice是什么意思

网络释义

用法例句

In the case of Model CS-165E DTH drill for opencast mining,SPT-K-2024 controller was used as key component of electric-hydraulic control system.

CS-165E露天潜孔钻机采用SPT-K-2024控制器作为电液控制系统的核心部件,由SPT-K-2024控制器直接驱动电液比例阀和电磁阀,接受传感器信号;通过CANO-PEN总线实现2个控制器和一个SPT-X-AT2纯文本显示器组网,极大地提高了系统的稳定性和可靠性。

In order to meet the need of the large-diameter longhole drilling in underground mines and the control of slope in open pit mines,entrusted by the Chinese govern-ment,Changsha Institute of Mining Research(CIMR)carried out a study on high pressurepneumatic DTH drill.

为了满足地下矿山大孔径深孔凿岩和露天矿山边坡控制的需要，我院受国家之命开展了高气压潜孔钻机的研究工作；自１９８０年以来先后研制成功几种典型产品并在矿山付诸应用。

Based on the analysis of actualities and development situation of DTH drill abroad,and compared with actualities of DTH drill at home,a development thought for our country at present is put forward.

潜孔钻机以其特有的凿孔特点占据了很大一块市场。

The application of down-the-hole drill in tunnel;

潜孔钻机在隧道中的应用

The efficiency study of traveling hydraulic drive about the down-the-hole drill

潜孔钻机履带行驶液压驱动系统效率研究

Dynamic simulation and experiment study about the rotating hydraulic system of down-the-hole drill based on AMEsim

采用AMEsim的潜孔钻机回转液压系统的动态仿真与试验研究

Modeling and Simulation of Rotating Hydraulic System in Down-the-Hole Drill

潜孔钻机回转液压系统的建模与仿真

The efficiency study of traveling hydraulic drive about the down-the-hole drill

潜孔钻机履带行驶液压驱动系统效率研究

Emulation of New Type Forward Pressure Control System for DTH Drill Based on AMESim

基于AMESim潜孔钻机推进力控制系统研究与仿真分析

Dynamic simulation and experiment study about the rotating hydraulic system of down-the-hole drill based on AMEsim

采用AMEsim的潜孔钻机回转液压系统的动态仿真与试验研究

The sorker was drilling.

此工人在用钻孔机钻孔。

Study of Non-Dig Oscillate-Drilling DTH Orientation Device Applied on Hard Rock Stratum;

硬岩非开挖钻进摆动式潜孔锤定向机构的研究

Penetration Mechanism of DTH Percussion Compact Drilling and Experimental Research on Compact Bit;

潜孔锤冲击挤密钻进机理及挤密钻头的设计与实验研究

kelly for well-drilling machiens

旋转钻孔,钻井机用

Development of core drill equipment for combined underwater drill rammer of rock built-in pile hole

嵌岩桩孔组合潜孔锤取心钻具的研制

On application of DTH drill in drilling pile construction in karst developing areas

潜孔钻在岩溶发育地区钻孔桩施工中的应用

Research on Coring Mechanism of Reverse Circulation Continuous Coring Drilling of Hollow DTH;

贯通式潜孔锤反循环连续取心钻进取心机理研究

Theoretical Analysis and Experimental Research of Flow Field by DTH Hammer Drilling with Simultaneous Casing Tool of JSL-30 Drill Rig;

基于JSL-30型砾石钻机潜孔锤同心跟管钻具的流场理论分析及试验研究

Using a drill, he bore a hole through the wood.

他用钻孔机在木头上钻了一个孔。

A Brief Explanation of Air Actuated DTH Hammer Drilling Efficiency

空气潜孔锤钻进是提高钻进效率的有效途径

Downhole drill hammers and drills

GB/T13344-1992潜孔冲击器和钻头

Study on DTH with Self-propelled Round Bit and Its Simulation Analysis;

钻头自回转型潜孔锤研究及仿真分析

Neural Network Method in the Penetration Rate Prediction of Percussive Drilling

利用神经网络法预测风动潜孔锤钻速

Research of Technology Problem with Pneumatic Downhole Hammer Core Drilling

气动潜孔锤取心钻进工艺问题的研究