電解鉆孔 的英文怎麼說
中文拼音 [diànjiězhēnkǒng]
電解鉆孔
英文
electrolytic drilling-
Series of high pressure thermocouples thermalresistances and thermowells, the thermocouple take the form of spring - loaded, of which protective tube and flange are forged of special alloy, as well the thermowell are formed with bar stock drilled. more further, theconnecting between thermowell and flange can be compressed with tapered thread and the groove at the lower end of flange can be welded with argon arc. these thermocouples are usually used in high equipments of hydrogen cracking device, cracker and vaporizer etc for pressure - resistant in over 30 mpa, operating temperature from 0 up to 800
系列高壓熱電偶阻及套管，熱電偶採用彈簧壓著式，保護套管和法蘭選用特殊合金材料鍛造，套管採用棒料整體鉆孔加工而成，與法蘭連接處以錐管螺紋配合併與法蘭下端渠槽處用氬弧焊接，耐壓30mpa ，使用溫度0800 ，可長期使用在加氫裂化裝置裂解裝置，氣化爐等高壓設備中。Based on a thorough investigation of the engineering geological condition for the reservoir region of the huizhou pumped storage power station, the in - situ trial pit water injection test, boring water injection test, and water pressure test were performed to study the permeability of rock and soil mass
摘要在對惠州抽水蓄能電站庫區工程地質條件進行詳細調查的基礎上，採用現場試坑注水和鉆孔注水、壓水試驗等方法了解巖土體的透水性。The research of patch antennas based on photonic - bandgap ( pbg ) structures is a relatively new area. the goal is to improve the performance of the patch antennas by using the special features of pbg structures. though some good research results have been obtained by scientists in the world, there still exit some problems to be solved for improving the performaces and reducing the size, weight and cost
雖然國內外已經在基底鉆孔型、地面腐蝕型、高阻抗表面型、 uc - pbg型、覆層型和軟表面型電磁（光子）晶體貼片天線等方面開展了研究，但是在這些研究中還遺留著多方面的問題有待解決，以顯著改善天線的性能指標，減少天線的體積，重量，降低天線的加工費用等。
分享友人