“发射器”造句

他用微型声波发射器开启了门。
He activated the door with the miniature sonic transmitter.

他最喜欢的还是那个俄制的火箭发射器,它可载40枚三米的火箭.
His favourite gadget is a Russian - made rocket launcher which holds 40 three metre - long missilles.

沉淀使灌溉系统中的发射器发生被阻塞.
Emitters on trickle system can be blocked by precipatate.

• #发射器