- return of stroke
- 行程: route or distance of travel; ...
- 换向: changing-over; change; jibe; ...
- 换向: changing-over; change; jibe (帆的方向的改变); reversal; switch; switching; [电工] commutate; commutation
- 单程换热器: single pass heat exchanger; single-pa exchanger; single-pass exchanger
- 多程换热器: multipa exchanger; multipass heat exchanger
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