压缩机油标准(GB12691-90)中L-DAB级的牌号在()范围。
A、32~100
B、32~150
C、46~100
D、46~220
参考答案:B
_____ the moonlight they cooked the meat _____ an open fire.
A.To; over
B.From; in
C.In; near
D.By; on
曲轴箱分两部分,()曲轴箱用来支承曲轴。
A.上
B.下
C.左
D.右