Crankcase explosions in propulsion diesel engines result from ____.A.the splashing of lubrication oil by the crankshaftB.the dilution of crankcase oil with particles of combustionC.broken fuel lines spraying oil on the crankcaseD.the ignition of unburned

题目

Crankcase explosions in propulsion diesel engines result from ____.

A.the splashing of lubrication oil by the crankshaft

B.the dilution of crankcase oil with particles of combustion

C.broken fuel lines spraying oil on the crankcase

D.the ignition of unburned fuel and air in the crankcase

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    D．wx.redirectTo'({url: /pages/result/result？A= + this.data.A})'


    wx.redirectTo({url: '/pages/result/result?A=' + this.data.A})

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    C．wx.redirectTo({www: '/pages/result/result？A=' + this.data.A})

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