The cast iron _____ for the cross－head are attached to the top section and seal off the cr

Aluminum pistons have _____ coefficient of thermal expansion compared with those of cast iron.

A number of cylinder liners are enclosed in one cast iron casing to form. a _____.A.cylind

Since the scene was arguably the emotional ______ of the film, the casting crew wanted an

___________, a car knocked him down.A. While crossing the streetC. While the boy was cro

______is the autobiographical novel of Jack London.A．The Iron HeelB．The People of the Abys

When the suspected criminal appeared in court, the judge cast a______look at him.A．straigh