“free-point indicator”的概念、定义、翻译、参考文献-科学参考

单词	free-point indicator
释义	free-point indicator [`frē ¦pȯint `in·dǝ´kād·ǝr] ^{PETROLEUM ENGINEERING} In a drilling operation in which a string of pipe has become stuck, a tool that measures the amount of stretch in the stuck string and indicates the deepest point at which the pipe is free.
随便看	direct-expansion coil direct extrusion direct-feedback system direct fire direct-fire direct-fired evaporator direct-gap semiconductor direct-geared direct grid bias direct hierarchy control direct-image offset system direct-imaging mass analyzer direct immunofluorescence direct-indicating compass direct input/output direct-insert subroutine direct instruction direct interelectrode capacitance direct inward dialing direction directional antenna directional beacon directional beam directional control directional control valve

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