[机] 试验机

Testing \Test"ing\, n.
1. The act of testing or proving; trial; proof.

2. (Metal.) The operation of refining gold or silver in a
test, or cupel; cupellation.

{Testing machine} (Engin.), a machine used in the
determination of the strength of materials, as iron,
stone, etc., and their behavior under strains of various
kinds, as elongation, bending, crushing, etc.