High-grade stuff, just sitting there.

高品位矿石，静静等候在那儿。

It's sonic perfection by demand and high-grade engineering.

这是由需求和高档工程声波完善。

In some high-grade ores, phenocrysts adhere intimately to the pseudomorphs.

在有些高级矿石内，斑晶紧连着假晶。

These buses are African high-grade buses and the first batch for export in 2015.

该批车是2015出口的第一批车的发车，并且是出口非洲的高档车。

Velveteen is usually said the sheep shearing, suitable for use in high-grade car.

平绒也就是平时所说的羊剪绒，适合中高档汽车使用。