What type of main engine do you have on board?

你们船上的主机是什么型号的？

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The reports also state that it is fitted with a new type of engine and composite main rotor blades.

报告还称，它配备了新型引擎和复合主旋翼叶片。

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The reliability of main bearing and connecting rod large end bearing for 12V240ZJ diesel engine whose power has been increased up to the E type grade was analyzed.

对12V240ZJ型柴油机进一步强化后，主轴承和连杆大端轴承的可靠性进行了分析计算。

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They believe a single type of cell may be cancer's main growth engine:mutant stem cells that, though barely present, spawn other cells that then spark growth.

FORBES: Cancer Killer