34. When tighten a series bolts or nuts
(A)begin with the center bolt
(B)begin with large diameter bolts
(C)tighten bolt in crisscross
pattern
(D)tighten in one step。
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統計: A(30), B(40), C(36), D(7), E(0) #1163469
統計: A(30), B(40), C(36), D(7), E(0) #1163469