定位销自动锁住升降板，然后更换煎饼托板，煎饼机重新自动开始工作。
The lifting plate is locked automatically by a positioning pin, and then the supporting plate of the pancake is replaced to enable the pancake machine to automatically work again.
方法：胸片装置由片夹、立架、底座、小儿坐立升降板、防护围裙等组成。
Methods: the chest X-ray device by the film clip, set frame, base, children sit down plate, protective aprons and so on.
升降床装置能够让床接近天花板而节省了不少空间。
BedUp system saves space by storing your bed near the ceiling.
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