low-grade ore
Tone colorsmāmámǎmàma
Meanings
1 sense · 2 examplesnoun
low-grade ore; ore with low mineral content
technicalA mining term for ore that contains a low percentage of the desired mineral, making it less economical to process. Often contrasted with '富矿' (rich ore).
Zhè这
ge个
kuàng矿
qū区
dà大
duō多
shì是
pín贫
kuàng矿
，
kāi开
cǎi采
jià价
zhí值
bù不
gāo高
。
Most of the ore in this mining area is low-grade, so it's not very valuable to extract.
Pín贫
kuàng矿
tōng通
cháng常
xū需
yào要
gèng更
fù复
zá杂
、
chéng成
běn本
gèng更
gāo高
de的
xuǎn选
kuàng矿
gōng工
yì艺
。
Low-grade ore usually requires more complex and costly processing techniques.