基本解釋[航] 推進(jìn)裝置英漢例句雙語例句The MMU was replaced with the SAFER backpack propulsion unit.目前，載人機(jī)動(dòng)裝置已被更安全的背包式推進(jìn)器所取代。Causes for damage of main parts of Z---type marine propulsion unit are introduced in this pa- per. it also gives the making of plan. design principle and repair methods.介紹船用Z型推進(jìn)裝置主要零備件的損壞原因以及在進(jìn)行零備件國產(chǎn)化過程中的方案制定、設(shè)計(jì)原則和修理方法。Once you are on the surface, the main unit for propulsion are your arms, so it is very important that your draw the right pattern underwater, and that is a hourglass pattern.身體浮到水面后，最大的推進(jìn)力量就來自手臂。因此正確的水下劃水路線非常重要，也就是沙漏狀劃水。propulsion unit更多例句詞組短語短語propulsion -unit efficiency 推進(jìn)裝置效率turbine boiler propulsion unit 鍋爐汽輪機(jī)推進(jìn)裝置atomic propulsion unit 原子能推進(jìn)裝置hydraulic efficiency propulsion unit 噴水推進(jìn)裝置SAFER backpack propulsion unit 背包推進(jìn)裝置propulsion unit更多詞組專業(yè)釋義物理學(xué)推進(jìn)單元航空、航天科學(xué)技術(shù)推進(jìn)裝置