例句與造句

1. During the late 1990s, Site 133 / 3 was rebuilt as a surface launch pad for Rockot, following the decision to use it for commercial launches.
2. Around 1964, two coupled Soviet R-12 Dvina ( SS-4 ) nuclear missile bases were built in the woods near Ukmerg
   under Nikita Khrushchev . Each had four surface launch pads, semi-underground hangars to store the missiles and several accessory buildings.
3. It's difficult to find surface launch pad in a sentence. 用surface launch pad造句挺難的