- overhead type
- n.高架型
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
overhead type
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Overhead projector — in operation during a classroom lesson An overhead projector is a variant of slide projector that is used to display images to an audience. Contents 1 Mechanism … Wikipedia
overhead — [ō′vər hed΄; ] for adv. [ ō΄vər hed′] adj. 1. a) located or operating above the level of the head ☆ b) designating a door, as of a garage, that moves into place overhead when opened 2. in the sky 3. on a higher level, with reference to related… … English World dictionary
Overhead power line — This article is about power lines for general transmission of electrical power. For overhead lines used to power road and rail vehicles, see Overhead lines. Transmission lines in Lund, Sweden … Wikipedia
Overhead lines — This article is about the transmission of electrical power to road and rail vehicles. For transmission of bulk electrical power to general consumers, see Electric power transmission. For powerlines mounted on pylons, see overhead power line.… … Wikipedia
Overhead camshaft — A cylinder head sliced in Fifths shows two overhead camshafts one above each of the two valves. Overhead cam (OHC) valvetrain configurations place the engine camshaft within the cylinder heads, above the combustion chambers, and drive the valves… … Wikipedia
Overhead crane — An overhead crane, featuring runways, bridge, and hoist in a traditional industrial environment … Wikipedia
Overhead valve — OHV redirects here. OHV may also refer to Off highway vehicle. Components of a pushrod valve actuation system … Wikipedia
Overhead line crossing — An overhead line crossing is the crossing of an obstacle such as a traffic route, a river, a valley or a strait by an overhead power line. The style of crossing depends on the local conditions and regulations at the time the power line is… … Wikipedia
Type 42 destroyer — HMS Birmingham Class overview Name: Type 42 Builders: Several different … Wikipedia
overhead ball — /ˈoʊvəhɛd bɔl/ (say ohvuhhed bawl) noun a type of competitive ball game in which the ball is passed overhead from one person in each team to another till it reaches the last person who runs to the beginning of the line and begins the overhead… …
overhead valve — noun A type of internal combustion engine design which has the inlet and exhaust valves in the cylinder head (and therefore above the piston). The camshaft can be beside the pistons (with pushrods and rockers operating the valves) or above the… … Wiktionary
