The value of drain current is always （ ） the value of the short circuit drain current IDSS for a given JFET.
The value of drain current is always （ ） the value of the short circuit drain current IDSS for a given JFET.
pipe
pipe
It is customary to leave a house_______. A: through the kitchen window B: through a bedroom C: by the door D: down a drain-pipe
It is customary to leave a house_______. A: through the kitchen window B: through a bedroom C: by the door D: down a drain-pipe
The amount of lubricating oil in the drain tank should be checked by （）.
The amount of lubricating oil in the drain tank should be checked by （）.
The trend of brain drain does the developing countries ______ degrees of harm.
The trend of brain drain does the developing countries ______ degrees of harm.
Radiation heat transfer of smoke tube boiler mainly occurs in , convection heat transfer mainly occurs in . A: Furnace and smoke pipe B: Smoke pipe and furnace C: Needle tube, smoke box D: Smoke box and smoke pipe
Radiation heat transfer of smoke tube boiler mainly occurs in , convection heat transfer mainly occurs in . A: Furnace and smoke pipe B: Smoke pipe and furnace C: Needle tube, smoke box D: Smoke box and smoke pipe
A hot air start pipe indicates that there is （）.
A hot air start pipe indicates that there is （）.
The lubricating oil is pumped from the drain tank， very often with （） in the suction line.
The lubricating oil is pumped from the drain tank， very often with （） in the suction line.
The image of Einstein with his hair style and pipe was ______.
The image of Einstein with his hair style and pipe was ______.
词义搭配： coolant pipe --- 回油管
词义搭配： coolant pipe --- 回油管