нижній ешелон (атмосфери) (до 35 км від поверхні Землі)
land-based lower layer (LBLL)
Sea-Based Lower Layer (SBLL)
at lower echelons
Forces of Lower Readiness (FLR)
lower deck (the)
lower deck
lower firing saddle
lower receiver
lower right margin
lower unit
lower glacis plate
lower elevating screw
lower bearing
lower torque link
lower explosive limit
wing lower surface
hollow shaft (of lower coaxial shaft)
lower stratosphere
upper and lower coaxial rotors
lower loop of a gun sling
lower-level intelligent control
bridge launcher/ layer
gun layer
Joint Aerial Layer Network (JALN)
land-based upper layer (LBUL)
layer tinting
mine layer
Sea-Based Upper Layer (SBUL)
upper layer
automatic gun layer
convergent zone of a boundary layer
isothermal layer