Islanding detection is a mandatory function for grid - connected photovoltaic ( PV ) converters .孤岛检测是 光伏 并网逆变器所必备的功能.Series 6 SG 70 SIMOTRAS HD converters are characterized by their compact, space - saving construction....
把生面团倒在撒了面粉的案板上。Turn out the dough on to a floured surface.在撒了面粉的案板上揉面团。Knead the dough on a floured surface.揉生面团时,案板上要撒点面粉。Roll the dough on a lightly floured surface....