电热张拉法变压器可选用低压变压器或弧焊机,一次电压为220~380V,二次电压为30~65V。( )
参考答案:错
—I really thought I’d win the game.
—Oh,well, ___________,Bill.
A.no problem
B.better luck next time
C.best wishes
D.take your time
带式汽却机的作用是将烧结矿从单辊处运到成品皮带。