2 sentences

1. 这种家具装配需要使用埋头螺钉。

   zhè zhǒng jiā​jù zhuāng​pèi xū​yào shǐ​yòng mái​tóu luó​dīng.

   This furniture assembly requires the use of countersunk screws.

   Source: Dong Chinese Dictionary

2. 技术人员正在车间里熟练地装配精密仪器。

   jì​shù rén​yuán zhèng​zài chē​jiān lǐ shú​liàn de zhuāng​pèi jīng​mì yí​qì.

   The technicians are skillfully assembling precision instruments in the workshop.

   Source: Dong Chinese Dictionary