自交能孕性在不同的无性系中是明显不同的.There are obvious differences between clones with regard to their self - fertility.反交和自交通常不包括在内.Reciprocals and selfs are usually excluded.俄维农自交和野百合自交可以获得自交果实和自交胚.Fruits and embryos were obtained by s...
Many manufacturers have policies to protect themselves against blackmailers.许多厂家都购买了保险，以防遭到敲诈。The blackmailers bled him for & 500.敲诈者向他强索500 镑.The blackmailers bled him for every penny he had.勒索者把他的钱榨得一乾二净....
环纹滚刀可以实现高效率的径向进给滚齿加工.The ring teeth hob can realize high efficient radialfeedhobbing.重型移动滚刀架, 长行程.Heavy duty shifting hob head , with long shifting travel.齿刀是怎么演变成齿轮滚刀的.Transformation from Rack - type Geer Cutter into Ge...