英语词汇“first grade structure”的音标、翻译、中文意思、用法、释义-英汉双解词典

词汇	first grade structure
释义	first grade structure一级构造
随便看	gravity filters gravity bag gravimetroscope gravity filters comprising loose filtering material gravitational constant gravity bag filter gravity propulsion gravity quay gravitation wave gravity prospecting method gravity filters with stationary filtering elements gravity balance gravitational constant, the universal constant gravity hump gravity quay wall gravity filtration gravitational condensation gravitational conveying gravitation variometer gravity radiusof the earth gravity loading incline gravitational conversion factor gravidae gravitational cosmology graving dock