..............page:31-32,40
..............page:21-23,45
..............page:7-8,12
Packing selection for valve used on board
zhang xiang-bin~1; zhang meng~2; qu fei~2; li yang~1; cao hong-tao~1(1.representative department for forming complete sets of naval ships in the area of shenyang; shenyang 110025; china; 2.navy furnishment in shenyang bureau; shenyang 110000; china)
..............page:25-27