初拧高强度螺栓预拉力值要求比较稳定，以使用（）为好。
参考答案：定扭扳手
After the adjustment of financial policies, many netizens put up posts, 90 percent ______ carried the
message of approval. [ ]
A. of which
B. of whom
C. of them
D. of what
你知道定滑轮和动滑轮的差别吗？
f them