“pretravel”的概念、定义、翻译、参考文献-科学参考

单词	pretravel
释义	pretravel [`prē´trav·ǝl] ^{CONTROL SYSTEMS} The distance or angle through which the actuator of a switch moves from the free position to the operating position.
随便看	vanadium pentasulfide vanadium pentoxide vanadium sesquioxide vanadium steel vanadium sulfate vanadium sulfide vanadium tetrachloride vanadium tetraoxide vanadium trichloride vanadium trioxide vanadous chloride vanadyl chloride vanadyl sulfate Van Allen radiation belt Van Atta array vancomycin van Crevald-von Gierke's disease Van Deemter rate theory Van de Graaff accelerator Van de Graaff generator Van den Bergh reaction vandenbrandite Vandermonde determinant Vandermonde's theorem Van der Pol oscillator

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