Sent_en: 2zh The engineers then shut down two of the nine engines — in order to limit potential damage to the launch pad — and continued the test for 18 more seconds before finally shutting the rocket down.
Sent_yy: 工程师们随后关闭了九台发动机中的两台，以限制对发射台的潜在损坏，并在最后关闭火箭之前继续测试18秒。