February's relatively skinny deficit — which was less than half the size of the gap in October 2008 — was driven partly by falling oil imports and an unexpected surge in exports.
二月份的贸易赤字相对减少，还不到2008年10月贸易赤字的一半，很大程度上是由于石油进口量下降和出口的意外猛增。
The size of each gap is one less than a power of two, so there's a definite pattern here.
每个距离的大小为 2 的幂次方减一，因此这里有一个明确的模式。
When the counter plate and the particle size is less than the gap between the plate hammer when the crusher from the discharge port.
当物料粒度小于反击板与板锤之间的缝隙时，就从反击式破碎机出料口排出。
应用推荐