This equates to an unprecedented 17.6:1 deep-throttling capability, which means this cryogenic engine can quickly throttle up and down.
这相当于达到了空前的17.6:1深度节流能力，意味这台低温发动机能快速控制节流。
A well-adjusted engine will have a stable idle and will not surge up and down after the throttle is closed.
一个完美的调整引擎将有稳定的怠速，收油门转速会上上下下都是不正确的。
After you start the engine, no matter you walk your heli to the landing pad or strap you radio to get ready to fly, always put your thumb on the throttle stick to press it down.
当你发动好引擎，走向起飞坪或挂上挂带准备起飞时，别忘了用大拇指压住油门杆。
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