grade specific gravity的意思|示意
美 / ɡreid spiˈsifik ˈɡræviti /
英 / ɡred spɪˈsɪfɪk ˈɡrævɪti /
分选比重
grade specific gravity相关例句
The precision of grading is relation of grade specific gravity and measure of ultimately discharge of products.
分选精不仅与原煤能否顺利地按比重分层，而且还与最终产品的排卸方式有关。