data communication program communication block
on-board communication station ，ship communication station
search and rescue coordinating communication {= SAR coordinating communication}
Short-wave communication ( SW communication)
Key lab of satellite communication of institute of communication engineer
150 MN hydraulic forging press
20 MN NC frame type of hydraulic press
3 Way 6 Port Hydraulic Valve
3-boom hydraulic rock drilling jumbo
700 MW hydraulic turbine
a full power hydraulic braking system
A new valve of electric hydraulic control exchange direction
abrasion and corrosion on hydraulic turbine
abrasion-corrosion of hydraulic turbine
abrasion—resistant hydraulic liquid