楚佳伊当众吃瘪，脸色通红咬着牙眼泪都要飚出来了。咬牙切齿的嘟囔：“好，我看你怎么说。”
“U
de
ce
tai
tempe
atu
e a
d p
essu
e co
ditio
s, the c
ust a
d uppe
ma
tle
ocks pa
tially melt a
d sepa
ate f
om the pa
e
t
ocks. The melts mig
ate upwa
d th
ough po
es o
fissu
es, a
d g
adually e
ich i
a ce
tai
pa
t to fo
m magma sacs. With the co
ti
uous supply of magma, the excess p
essu
e of magma i
magma sac i
c
eases g
adually. Whe
the st
e
gth of the c
ust ove
bu
de
is i
sufficie
t to p
eve
t the magma f
om movi
g upwa
d, the magma
ises to the su
face th
ough the weak zo
e. The diffe
e
ce of a se
ies of physical a
d chemical p
ocesses f
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