精密仪器

这种进口精密仪器的维修费用十分昂贵，平时使用必须格外小心。

zhè zhǒng jìn kǒu jīng mì yí qì de wéi xiū fèi yòng shí fēn áng guì, píng shí shǐ yòng bì xū gé wài xiǎo xīn.

The maintenance cost of this kind of imported precision instrument is very expensive, so you must be extra careful when using it.

搬运精密仪器之前，箱子底部必须先垫上一层厚厚的防震泡沫。

bān yùn jīng mì yí qì zhī qián, xiāng zi dǐ bù bì xū xiān diàn shàng yī céng hòu hòu de fáng zhèn pào mò.

Before transporting precision instruments, the bottom of the box must be padded with a thick layer of shock-proof foam.

购买精密仪器设备时，建议选择原装配件以保障设备的运行稳定和安全。

gòu mǎi jīng mì yí qì shè bèi shí, jiàn yì xuǎn zé yuán zhuāng pèi jiàn yǐ bǎo zhàng shè bèi de yùn xíng wěn dìng hé ān quán.

When purchasing precision instruments and equipment, it is recommended to choose original accessories to ensure the stable and safe operation of the equipment.