喷管

1.The rubber nozzle is all cracked.

那只橡胶喷管全裂了。

2.It is shown that test aerospike nozzle has good altitude compensability of thrust.

实验表明，塞式喷管具有良好的高能力和较高的效率。

3.Taking aft-end igniter design for a rocket motor for example,design methods for ignition sequence,amorce quantity estimation and nozzle closure were described respectively.

以某型号发动机尾部点火为究对象,对点火序列、点火药量的估算、喷管堵片的法进行了阐述。