英语词汇downward force是什么意思，downward force的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	downward force
释义	DEFINITIVE EXAMPLES 权威例句〔cantilever〕A member, such as a beam, that projects beyond a fulcrum and is supported by a balancing member or a downward force behind the fulcrum.悬臂，支架：伸在支点之外的一个构件，如一段横梁，由与其持平衡的或向下的在支点后面的一个力支撑美国传统
随便看	keep a close eye on keep a close watch on keep a close watch on keep a close watch over keep a contract keep a cool head keep a cool head keep a cool head keep a diary keep a diary keep a dog and bark oneself keep a fast keep a firm grasp on keep a firm hand keep a firm hand keep a firm hand on keep a firm hand on keep a foot in both camps keep A from B keep a good cellar keep a good cellar infinitival infinitive infinitive infinitive

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