valve rocket
阀火箭
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The rocket launched without a hitch following a flawless countdown that came three days after a faulty valve on one of the rocket's engines forced a last-second postponement.
CNN: Historic launch of private rocket heralds new era
应用推荐
模块上移
模块下移
不移动