型号/符号

A

B

C

E

F

G

H

I

K

L

M

Q

R

S

W

X

Y

100M-□F

60

43

20

4.3

18

19

5

10

142

(N-1)x19+38

157

G1/4

40

30

60.5

25

27

200M-□F

60

50

21

4.5

22

23

6

12

174

(N-1)x23+46

193

G1/4

43

32

91.5

25

35

300M-□F

75

60

26

4.5

27

28

6

14.5

193

(N-1)x28+54

213

G3/8

53

48

100

31

40

400M-□F

100

95

32

5.5

34

35

7

18

244

(N-1)x35+63

244

G1/2

68

67

113

42

50