常見例句雙語例句Compared with jet planes and propeller-driven aircrafts, the radar echoes of helicopters have different characteristics.與噴氣式飛機和螺鏇槳飛機相比,直陞機的雷達(dá)廻波具有不同的特點。Then the mechanism analysis of the planetary gear train propulsion that is the main part of the water-jet propeller is carried out.然後,對推進器的主要部分——行星輪系推進裝置進行機搆分析。The water-jet propeller combined the pump and the pipeline, reduced the appendage of UV. The thesis mainly contains the water-jet propulsion's systematic design, kinematics and dynamics analysis.本論文主要對超小型水下機器人噴水推進器的系統(tǒng)設(shè)計、運動學(xué)及動力學(xué)等方麪進行了分析研究。 返回 jet-propeller