- plug
- 塞: fill in; stuff
- 子: son
- 内燃机: internal-combustion engine; ...
- 流 道 塞 子: runner plug
- 内燃机: [机械工程] internal-combustion engine; combustion engine; combustion motor; explosion engine◇内燃机车 diesel; diesel locomotive; railway motor car; 内燃机船 motor vessel; motorship; 内燃机发电厂 internal combustion power plant; 内燃机牵引车 diesel tractor
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