The case or housing of a pump; a case enclosing the valve of a pump. Also: the piston of a simple reciprocating pump. Cf. earlier pump box, n.
单词 | θ212638 |
释义 | society > occupation and work > equipment > pump > [noun] > valves > case containing (1) box1677 The case or housing of a pump; a case enclosing the valve of a pump. Also: the piston of a simple reciprocating pump. Cf. earlier pump box, n. |
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