To make a transducer by painstakingly micro-machining a brittle block of ceramic material can take many hours of work, though.
但是制造一个换能器需要利用微机械技术，在一块质地脆硬的陶瓷材料上精心加工，耗费数个小时才能完成。
To make a transducer by painstakingly micro-machining a brittle block of ceramic material can take many hours of work, though.
但是制造一个换能器需要利用微机械技术，在一块质地脆硬的陶瓷材料上精心加工，耗费数个小时才能完成。
应用推荐