Rockwell hardness tester
罗克韦耳硬度计，罗氏硬度计

• Cartesian lens
• cartesian telescope
• cartide
• cartographical sketching
• cartography
• cartoscope
• cascade
• cascade amplicification
• cascade amplification
• cascade connected
• cascade decoder
• cascade emssion
• cascade image intensifier
• cascade image tube
• cascade laser
• cascade method
• cascade optical system
• cascade shower
• cascade thermoelectric cooling system
• cascade transtions detector
• cascade tube
• cascading
• case
• case-hardened glass
• case hardening