1、The work had been only on a small scale but it suggested a solution.
這項(xiàng)工作只是小規(guī)模進(jìn)行，但表明了一個(gè)解決辦法。

2、The work had been only on a small scale but it suggested a solution
這項(xiàng)工作只是小規(guī)模進(jìn)行，但表明了一個(gè)解決辦法。

3、The catalyst was tested on a small scale hydrocracking apparatus.
在小型加氫裂化裝置上對(duì)催化劑反應(yīng)性能進(jìn)行了考察。