The energy required to produce a laminated wooden beam is one-sixth of that required for a steel one of comparable strength.
生产一层合木梁所需的能量是同等强度钢梁所需能量的六分之一。
单词 | laminated beam |
例句 |
原声例句
经济学人(汇总) The energy required to produce a laminated wooden beam is one-sixth of that required for a steel one of comparable strength. 生产一层合木梁所需的能量是同等强度钢梁所需能量的六分之一。 |
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