外表长得一样,但里面不一样 ~+ Y7 Y3 j& T- r: E* v" p
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one stage T-STAT has "w" wire terminal 7 B+ n: U$ d. O. Ktwo stage T-STAT has "w1" and "w2" wire terminal7 _$ ?" o$ a {# ~$ f. i
7 i- }6 r5 k' a/ K5 O $ c o& L% T1 p# imore question ,please call me 7809526512 huang