例句與造句

1. The pilot was to fly the machine from a prone position, a feature decided from experience with the first DFS 228 prototype.
2. The DFS 228 was designed by Felix Kracht and a first prototype was completed in March 1944 and was undergoing gliding tests by August, carried aloft piggyback, strut-mounted atop a Dornier Do 217.
3. The Komet had a HWK 109-509A rocket motor which consumed Heinkel " Julia " and reconnaissance aircraft like the DFS 228 were meant to use the Walter 509 series of rocket motors, but besides the Me 163, only the Bachem Ba 349 " Natter " vertical launch expendable fighter was ever flight-tested with the Walter rocket propulsion system as its primary sustaining thrust system for military-purpose aircraft.
4. It's difficult to find dfs 228 in a sentence. 用dfs 228造句挺難的