Pneumatic muscle is a lightweight, flexible pneumatic actuator with high powerweightratio.
气动肌肉是一种具有重量轻、功率—重量比高的新型气动柔性执行器。
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As against an inlet manifold engine of the same power, the turbo engine requires a smaller installation space and as such has a better power-weightratio.
Thee A29 Clan was to be propelled by a Rolls-Royce Meteor engine, up-rated to 700 bhp, which would give the Clan a top speed of 30 mph (48.3 kph) and power to weightratio of 13.82 hp/tons.