[請益] 關於which前面是否加逗號
首先想請問這句文法上有沒有錯
This study investigates the influence of design parameters of tapered-spool type restrictors on flow rate which determines the static and dynamic characteristics of hydrostatic bearings.
再來想請問這段話裡的which要加逗號嗎？ 麻煩各位了
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