| 释义 |
wrecking ball
TranslationsWrecking ball
wrecking ball[′rek·iŋ ‚bȯl] (engineering) skull cracker Wrecking ballA heavy ball of concrete suspended from the boom of a crane and swung against or dropped on a structure to demolish it. They vary in weight, averaging several tons.wrecking ball, skull crackerA heavy steel ball used in structural demolition; usually swung or dropped from a crane or derrick. |