“承重梁”例句

单词	承重梁
例句	DEFINITIVE EXAMPLES 权威例句〔SUPPORT〕The roof was held up by supporting beams that ran right through my attic bedroom. 屋顶由承重梁支撑，这些横梁直穿我在阁楼上的卧室。朗文写作活用

　

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