常見例句雙語(yǔ)例句The jacket is made of some low-grade material.這件夾尅是用某種劣等料子做的。Even some low grade pavements also use the semi-rigid base material as the base.甚至有些低級(jí)路麪也採(cǎi)用半剛性材料做基層。The machine uses a good pre-packed bags, packaging bags pattern perfection, sealing quality, package material loss is low, high-grade products.本機(jī)使用的是預(yù)制好的包裝袋，包裝袋圖案完美、封口質(zhì)量好、包材損耗低、産品檔次高。 返回 low-grade material