键槽的生成是用了0.63最小圆狐的尺寸条件.Was the keyway created using a min arc condition dimension of .0.63?差于无键槽的印版滚筒,螺丝一不退给拧紧.For non - key way of plate cylinder screws must be tightened up.本插床可插各种大、中型零件内外平面、型面和键槽等粗精加工.This slotting mac...
Some sedatives produce the paradoxical effect of making the person more anxious...一些镇静剂适得其反，加重了患者的焦虑。Some sedatives produce the para-doxical effect of making the person more anxious.一些镇静剂适得其反，加重了患者的焦虑。Objective : To inve...
He cheated death when he was rescued from the roof of his blazing cottage.他被人从他那熊熊燃烧的棚屋顶上救了下来，捡了条命。My sister still claims she cheated on us at cards, but I know better.我妹妹仍然说她和我们玩牌的时候捣了鬼，其实我心知肚明。The farmer felt the cow, ...
较轻的推进器采用液态氢, 较重的采用自燃推进剂.The lighter version used liquid hydrogen, the heavier used hypergolic propellants.磷化氢是一种有毒气体,在空气中可以自燃.Phosphine is a toxic gas which ignites spontaneously in air.它们也可作为自燃点火成分,改进点火和重新点火性能.They also...