7. The _____ is a thin solid/integral structure made of ductile cast iron.(A) cylinder(B) crankshaft

問題詳情

7. The _____ is a thin solid/integral structure made of ductile cast iron.
(A) cylinder
(B) crankshaft
(C) main bearing
(D) piston

參考答案

答案：D
難度：困難0.313
書單：沒有書單，新增

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