外表长得一样,但里面不一样 ) G n( H% q1 v/ f# }! T2 ?3 t & Y7 i2 j$ W+ t7 w! k- Kone stage T-STAT has "w" wire terminal. C9 b! x* U2 A- _. z0 V
two stage T-STAT has "w1" and "w2" wire terminal 4 \3 o' a% ]$ O- u! f' }. k' j+ Q- h2 g
: F/ l l9 ^+ G: f" \9 e! {& ]
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