cracker 四级六级专八

We served some crackers and cheese as an appetiser.

我们上了些饼干和奶酪作为开胃品。

There was a cracker beside every place at the table.

桌上每个位置旁都有彩包爆竹。

Line a single layer of saltine crackers on the foil-lined baking sheet.

把一层撒盐饼干放在烘板上的箔片。

Crackers alone eat very dry.

光吃饼干口很干。

The present invention is improved separating pipe of multitubular cyclonic separator for the fume energy recovering system in petrochemical catalytic cracker.

本发明是对现有多管式旋风分离器的分离单管的一种改进，主要用于石油催裂装置和催裂解装置的烟气能量回收系统。

By CAD, based on diagrammatize principle, the dimensions of every parts in cracker rocker mechanism under different conditions are determined, and design demands are satisfied.

将图解原理解析，完成不同条件下满足设计参数的曲柄摇杆机构各构件尺寸确定，整个过程借助计算机辅助设计。