rated revolution 中文意思是什麼
rated revolution
解釋
額定轉數- rated : 定額的；計算的；額定的
- revolution : n 1 革命；劇烈的變革。2 回轉，繞轉，旋轉；轉數；周期；一轉；【天文學】運行，周轉，公轉。n ism 革...
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The propeller may be overloaded which caused by some reasons when ship has been serviced for a period of time. as a result, the rated revolution of the engine cannot be achieved, or the engine may be on overloaded operation condition. it will not be in the optimum matching between the propeller and the engine
船舶在使用過程中，常因各種因素使螺旋槳出現負荷過「重」的現象，主機達不到額定轉速或超負荷運轉，槳機不能處于最佳匹配；另外當船舶人為地降速航行時，主機處在半負荷情況下工作，如果轉速下降太多，使得主機的工作條件變壞，容易引起主機部件的損壞。
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