전기점화

Hammer Spark Ignition, Make and Brank Ignition

전기점화기관

Electric Ignition Engine

전기추진선

Electric Propulsion Ship

전기혼

Electric Horn

전단

Shear

전단격벽

Front Bulkhead

전단기

Shearing Machine

전단력

Shear Foece

전단응력

Shear Stress

전단진동

Shear Vibration