生产销售夹紧式船用填料函M PG J13
10



s=x�( xn �2�7 20 D-PG7-08 PG7 8 8 16 22 D-PG9-10 PG9 10 8 17 24 D-PG9-12 PG9 12 8 17 25.5 D-PG13.5-15 PG13.5 15 11 23 30 D-PG21-20 PG21 20 14 22 36 D-PG29-25 PG29 25 15 28 43 D-PG29-32 PG29 32 15 30 52 D-PG36-40 PG36 40 16 32 60 D-PG48-50 PG48 50 18 34 71