บริษัทซับคอนแทรค มีความสำคัญต่อองค์กรต่างๆ อย่างไร

?????????????????????????????????????????????? ????????????????????????? ???????????????????????????????????????????????????????????????????????????????????? ?????????????????????????????????????????????????????????? (Subcontract) ????????????????????????????????????????????????????????????? ?????????????????????????????????????????????????????????

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โอริง คืออะไร ?

                 ????? ??? ?????????????????????????????????? ??????????????????????????????????? ?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ????????????????????????? ??????????????? ???????????????????????????????????? 2 ??? ??????1. ????? ????????????? ?????????

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โอริง คืออะไร ?

                 ????? ??? ?????????????????????????????????? ??????????????????????????????????? ?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ????????????????????????? ??????????????? ???????????????????????????????????? 2 ??? ??????1. ????? ????????????? ?????????

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