“spacing clamp”的概念、定义、翻译、参考文献-科学参考

单词	spacing clamp
释义	spacing clamp [`spās·iŋ ´klamp] ^{PETROLEUM ENGINEERING} A clamp for maintaining the rod string in the correct pumping position while the well is in the final stages of being fitted to the pump.
随便看	Brewster fringes brewsterite Brewster point Brewster process Brewster's angle Brewster's law Brewster stereoscope Brewster window Brianchon's theorem brick brickfielder brick grease bricking curb brick molding brick seat brick walling bridge bridge abutment bridge bearing bridge cable geomagnetic dipole geomagnetic electrokinetograph geomagnetic equator geomagnetic field geomagnetic field reversal

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