C-CAM cones have a much higher resistance to bending stress and therefore exhibit much greater fidelity over their entire operating range.

C - CAM锥盆有弯曲应力高得多的电阻，并因此表现出在它们的整个运行范围大得多的保真度。

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C. Blow-back through the scavenge air ports, owing to an incorrectly adjusted exhaust cam disc or large resistance in the exhaust system(back pressure not exceed 300 mm wc)

由于排汽凸轮盘不正确的定时或排汽系统背压过大（背压不能超过300毫米水柱）而导致燃气通过扫气口倒流。

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