crank·pin also crank pin 
(krăngkpĭn′)
(krăngkpĭn′)n.
A bar or cylinder in the arm of a crank to which a reciprocating member or connecting rod is attached.
| 单词 | crankpin |
| 释义 | crank·pin also crank pin (krăngkpĭn′)n. A bar or cylinder in the arm of a crank to which a reciprocating member or connecting rod is attached. |
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