instrument; apparatus
中用来测量或做实验的装置或工具yònglái cèliàng huò zuò shíyàn de zhuāngzhì huò gōngjù
This instrument is very expensive.
instrument; apparatus
中用来测量或做实验的装置或工具yònglái cèliàng huò zuò shíyàn de zhuāngzhì huò gōngjù
This instrument is very expensive.
instrument; apparatus
instrument; apparatus
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