未分类 · 2025年11月21日

Steam engines refer to machines usingto perform mechanical work through the agency of heat.（） A.steam B.steam engines C.steam cars D.steam power

Steam engines refer to machines usingto perform mechanical work through the agency of heat.（） A.steam B.steam engines C.steam cars D.steam power

正确答案：D

标签：大学英语综合课程（运城学院）章节测试答案

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