stir是什么意思

用法例句

The structural principle and characteristics of a set of WHZS35－ type waterborne movable mixing ship self－ developed for coordinating construction of Boluo Bridge are briefly introduced.

简述为配合博罗大桥施工而自行研制的一套 WHZS35型水上移动搅拌船的结构原理和特点。