smoothers造句怎么写

How many different trades are employed in each branch of the linen and woollen manufactures from the growers of the flax and the wool, to the bleachers and smoothers of the linen, or to the dyers and dressers of the cloth!

smoothers needle of base metal for masons, mouders, painters, plasterers, etc.

cleaner for masons' smoothers, of base metal

Onthe other hand, with traditional iterations and the conjugate gradient(CG) as smoothers, we can show the optimal convergence rate of the cascadic method in energy norm for 1-D and 2-D cases.