1.
Experimental Study of the Two-phase Flow Pressure Drop Instability in Vertical Parallel Inner Threaded Tubes of a 600 MW Supercritical CFB(Circulating Fluidized Bed)
600MW超临界CFB垂直并联内螺纹管两相流压力降不稳定试验研究
2.
Experimental Study on Two-Phase Flow Instabilities in Parallel Vertical Internally Ribbed Tubes at Low Mass Flux
低质量流速垂直并联内螺纹管中两相流不稳定性试验研究
3.
Study on Instability of Two-Phase Flow in Parallel Vertical Rifled Tubes of Supercritical CFB Boilers
超临界循环流化床锅炉垂直并联内螺纹管内两相流不稳定性的研究
4.
HEAT TRANSFER OF WATER AT SUPERCRITICAL PRESSURES IN VERTICALLY-UPWARD INTERNALLY-RIBBED TUBES
垂直上升内螺纹管内超临界压力水的传热特性研究
5.
NPSI (American Standard Internal Straight Pipe Threads)
美国标准内直管螺纹
6.
Experimental Research on Strength Heat Transfer of Vertical Spiral Steel Tube Under the Condition of Condensation;
凝结条件下垂直螺纹钢管强化传热的试验研究
7.
internal ribbed tube
内肋片管，内螺纹管
8.
NPSC (American Standard Straight Pipe Thread in Coupling)
美国标准接头直管螺纹
9.
reducing extension piece
异径内外螺纹管接头
10.
Mathematical Model and Simulation of Internal Ribbed Tube Waterwall in Ultra-supercritical Once-through Boilers
超超临界直流锅炉内螺纹管水冷壁的数学建模和仿真
11.
Situation of technological develop ment of welding internal -thread cop per tubes and seamless internal -thread coppertubes at home and abroad
国内外焊接内螺纹铜管与无缝内螺纹铜管的技术发展状况
12.
external and internal thread grinding machine
外螺纹及内螺纹磨床
13.
THE REGULATOR FOR A TOKAMAK VERTICAL FIELD FEEDBACK CONTROL SYSTEM USING A GROUP OF FET PARALLEL
场效应管并联作为托卡马克垂直场反馈系统调节器的研究
14.
pin-to-box pipe
阳螺纹-阳螺纹管子
15.
Tubing thread is available for API tubing threads and TM threads.
油管螺纹可采用API油管螺纹，或TM螺纹。
16.
Flared type tube fittings--Male elbow--Assembly
GB/T5629.1-1985扩口式锥螺纹直角管接头
17.
Flared type tube fittings--Male elbow--Body
GB/T5629.2-1985扩口式锥螺纹直角管接头体
18.
Male connector--Assembly
GB/T3734.1-1983卡套式锥螺纹直通管接头