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

实验表明，塞式喷管具有良度补偿能力和较效率。

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.

以某型号发动尾部设为研究对象,对序列设、药量估算、喷管堵片设方法进行了阐述。

The rubber nozzle is all cracked.

那只橡胶喷管全裂了。