~()

()

1212

pp PVC PVC

()1222030405060 5 12 3pp 45

()20cm 30cm 40cm 50cm 60cm()92.6 95.3 97.6 102.6 107.485909510010511020cm 30cm 40cm 50cm 60cm

()120 60 260

()1612223242 2612223242 5 30 43pp 4520 (

()

6cm 12cm 22cm 32cm 42cm()89.4 94.6 94.9 93.5 865808590951006cm 12cm 22cm 32cm 42cm()

()122 42 2122232 6 42342 4

()1PP PVC PVC 25 12 30 3420

() PP PVC PVC ()94.6 96.5 96.5 96.1 93.5929394959697pppvcpvc

()1pvc pvc pp 2

()

15 12 30 PP 23420

http://activity.ntsec.gov.tw/activity/race-1/47/elementary/080818.pdf