“foreset”的概念、定义、翻译、参考文献-科学参考

单词	foreset
释义	foreset [`fȯr´set] ^{MINING ENGINEERING} 1. To place a prop under the coal-face end of a bar. 2. Timber set used for roof support at the working face. Also known as force piece.
随便看	trigger circuit trigger control trigger diode triggered spark gap trigger electrode trigger extension trigger finger trigger housing triggering trigger level trigger motor trigger pull trigger pulse trigger shaft trigger squeeze trigger switch trigger tube trigistor Triglidae triglyceride Trigonalidae trigonal lattice trigonal planar molecule trigonal system trigone

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