manifold ignition test

例句：

1. 1. The manufacturer conducted multiple ignition tests on the new engine to ensure it met safety standards.
   制造商对新发动机进行了多次点火试验，以确保它符合安全标准。
2. 2. During the testing process, the engineers performed multiple ignition tests to identify any potentialissues.
   在测试过程中，工程师们进行了多次点火试验，以找出任何潜在的问题。
3. 3. The company insisted on conducting multiple ignition tests before releasing the productto the market.
   公司在产品投放市场前坚持进行多次点火试验。