<entry> <ent_seq>2510950</ent_seq> <k_ele> <keb>ポリ塩化ビニル</keb> </k_ele> <r_ele> <reb>ポリえんかビニル</reb> </r_ele> <trans> <trans_det>polyvinyl chloride</trans_det> <trans_det>PVC</trans_det> </trans> </entry>