How to write ultrasonic water meter, hydraulic stretching machine, and pressure welding machine in English??

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1. Ultrasonic scanning microscope SAT, C-SAM ultrasonic C-scan equipment

2. How to write "collision welding machine, hydraulic stretching machine, pressure welding machine" in English??

3. English words for metal

4. Who can help me collect commonly used prefixes and suffixes (meaning, less than 100)?

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