计算所需垫片的数量。 A: Calculate the number of shims that are necessary. B: Assess the number of shims that are necessary. C: Do an assessment of the number of shims needed. D: Do a calculation of the number of shims needed.
计算所需垫片的数量。 A: Calculate the number of shims that are necessary. B: Assess the number of shims that are necessary. C: Do an assessment of the number of shims needed. D: Do a calculation of the number of shims needed.
Shims of different thicknesses are inserted between the shells to enable adjustment of （）.
Shims of different thicknesses are inserted between the shells to enable adjustment of （）.
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