primitive man,crude oil,raw material这几个搭配都对吗?
primitive man,crude oil,raw material这几个搭配都对吗?
platts crude oil marketwire
crude oil heat exchanger
cotton raw material是什么意思?
Raw material is ________
raw material quantity中文翻译
raw material是什么意思
key raw material
原油为什么是 crude oil
rough ,coarse,crude有什么区别?最好举几个常见的搭配,
a)rude b)crude c)raw d)coarse的区别
The steady rise in international crude oil prices has spurre