D valve
nounEtymology Named after the hollow central D-sectioned piston.
1
A slide valve with a cup-like cavity in its face, through which exhaust steam passes.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
Etymology Named after the hollow central D-sectioned piston.
A slide valve with a cup-like cavity in its face, through which exhaust steam passes.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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