хід поршня вгору
grade-ascending ability / grade ascending ability
ascending branch
ascending node
ascending branch (of a trajectory)
ascending handles
ascending steep grade
vertically ascending rocket-powered vehicle
ascending
ascending air
ascending motion
maximum grade ascending ability
grade ascending ability
grade-ascending ability
four-cycle / four-stroke
power stroke
recoil stroke
stroke
bottom end of stroke
back stroke
expansion stroke
four-stroke cycle
impact stroke
operating rod stroke
recovery stroke
shock strut stroke
spring stroke
compression stroke
exhaust stroke
intake stroke
four-stroke engine
two-stroke engine
fell stroke