用于投影仪的反射器包括限定了光学表面的金属反射器(33)。
A reflector for a projector includes a metal reflector (33) that defines an optical surface.
J01460投影电流表适用于普通中学、中专配合投影仪在进行教学演示或实验时测量直流电路中的电流强度。
Projection Ammeter, J01460, is suitable for middle schools and polytechnic schools to measure current intensity in the DC circuit in teaching demonstration or experiment with the projector.
J01460投影电流表适用于普通中学、中专配合投影仪在进行教学演示或实验时测量直流电路中的电流强度。
Projection Ammeter, J01460, is suitable for middle schools and polytechnic schools to measure current intensity in the DC circuit in teaching demonstration or experiment with the projector.
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