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[单选] When comparing different fuels for different engines, the ignition quality of diesel fuel oils becomes a less critical consideration as ()

A . the amount of lube oil additives increase
B . piston speeds increase
C . injection pressure decrease
D . engine speeds decrease

气缸镜面的精度:当缸径≤300mm时,取2级精度;当缸径>300mm时,()。 调整同一对象的两个或两个以上的法律规范因规定不同的法律后果而产生冲突的,一般应当按下列()判断和选择所应适用的法律规范。 上位法优于下位法。 后法优于前法。 前法优于后法。 特别法优于一般法。 卡的生命周期包括哪几个方面()。 A.制卡。 B.发卡。 C.换卡。 D.销卡。 E.卡查询及其他。 On a vessel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds,which is TRUE?(). Danger of heavy ship sweat exists; constant and vigorous ventilation is required。 There is danger of heavy cargo sweat if outside air is introduced by ventilation。 There is little danger of ship's sweat,slight possibility of cargo sweat; moderate ventilation is needed。 The possibility of any sweat problem,either cargo or ship,is remote。 乌喙突最早出现在:() 麻雀。 蝙蝠。 蝾螈。 鼹鼠。 When comparing different fuels for different engines, the ignition quality of diesel fuel oils becomes a less critical consideration as ()
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