“elevator”的概念、定义、翻译、参考文献-科学参考

单词	elevator
释义	elevator [`el·ǝ´vād·ǝr] ^{AEROSPACE ENGINEERING} The hinged rear portion of the longitudinal stabilizing surface or tail plane of an aircraft, used to obtain longitudinal or pitch-control moments. ^{MECHANICAL ENGINEERING} 1. Also known as elevating machine. 2. Vertical, continuous-belt, or chain device with closely spaced buckets, scoops, arms, or trays to lift or elevate powders, granules, or solid objects to a higher level. 3. Pneumatic device in which air or gas is used to elevate finely powdered materials through a closed conduit. 4. An enclosed platform or car that moves up and down in a shaft for transporting people or materials. Also known as lift. ^{PETROLEUM ENGINEERING} A clamp gripping a stand or column of casing tubing, drill pipe, or sucker rods so that it can be moved up or down in a borehole being drilled.
随便看	Craniacea cranial capacity cranial flexure cranial fossa cranial index cranial nerve Craniata craniectomy Craniidina craniobuccal pouch cranioclasis cranioclast craniofacial index craniometer craniometry craniopharyngioma cranioplasty cranioscopy cranium crank crank angle crank arm crank axle crankcase crankcase breather

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