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液壓技術(shù)是涉及液體流動和液體壓力規(guī)律的科學(xué)技術(shù)。近幾十年來.液壓技術(shù)發(fā)展非?？?。廣泛應(yīng)用于工業(yè)、農(nóng)業(yè)和國防等各個部門。如機(jī)械制造業(yè)、起重設(shè)備、礦山機(jī)械、工程機(jī)械、農(nóng)業(yè)機(jī)械以及化工機(jī)械;又如軍艦上的舵機(jī)、雷達(dá)掃描設(shè)備、坦克、火炮、飛機(jī)、導(dǎo)彈等都采用了液壓技術(shù)。特別是在機(jī)床行業(yè)中，由于采用液壓傳動可以實(shí)現(xiàn)無級變速、自動化和在往復(fù)運(yùn)動中實(shí)現(xiàn)頻緊的換向等，所以它的應(yīng)用正在不斷地?cái)U(kuò)大和完善。
Hydraulic technology is a scientific technology involving the law of liquid flow and pressure. In recent decades, hydraulic technology has developed very fast. Widely used in industry, agriculture and national defense and other departments. Such as machinery manufacturing, lifting equipment, mining machinery, construction machinery, agricultural machinery and chemical machinery; and such as warship steering gear, radar scanning equipment, tanks, artillery, aircraft, missiles and so on, all use hydraulic technology. Especially in the machine tool industry, because the use of hydraulic transmission can achieve stepless speed change, automation and frequency-tight commutation in reciprocating motion, so its application is constantly expanding and improving.
