英语词汇“grade beam”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	grade beam
释义	grade beam noun : a sill of structural steel or reinforced concrete atop the foundation of a building and supporting a wall at or near ground level
随便看	sleeping porch sleeping rent sleeping sickness sleeping suit sleeping table sleeping tablet sleepless sleeplessly sleeplessness sleep movements sleep out sleep-out sleepover sleep paralysis sleeps sleepwalk sleepwalker sleepwalking sleepwear sleepy sleepy sleepy catchfly sleepy coot sleepy dick sleepy disease

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