levers的知识精选

“levers”可以造什么句,levers造句
conflictingrouteleversHidetheejectorseatlevers.manipulatetheleversofamachineFigure10-8:Ejectorseatlevershavecatastrophicresults.Thelinkagemayconsistofaseriesofinterconnectedleversandrods,orleversandac...
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