Covalent Crystal

lˆÄF‚¨’ƒ‚Ì‚è

ã‹L‚Ì‚U~‚U~‚U‚̘g“à‚ɁAˆÈ‰º‚Ì‚R‹î‚ðBurró‚É‘g‚ށB

”‚P
A

28
B

30
C

30


ƒ‚f‚‚‚Œ„


”‚Q
A

28
D

30
E

28


@@@@