pneumatically nghĩa là gì

Ví dụ về pneumatically

• The cell is usually held pneumatically with a second capillary.

• Pneumatically powered piston-cylinder system constituted the actuator and was placed at the knee joint.

• In step 3 of the sequence, the capillary is first brought into contact with the object, which is then pneumatically held through steps 4-7.

• But we also know of thoughts and of plans for experiments with hover-trains and overhead railways, of overhead railways pneumatically sustained and driven by linear electric motors.

• If it was not cut in or failed en route, the system could still be manipulated to apply the brakes pneumatically.

• The circuit breakers that switch these circuits work under very high power and voltage and are all pneumatically operated for insulation purposes.

• The guard rail, to which various antennae are attached, can be pneumatically lowered in just two minutes to allow helicopters to land.

• Emergency extension can be accomplished pneumatically in case of hydraulic or electrical system failure.