刀齿部分为矩形、通过调整两切面刀的中心距，不需更换切刀，就能切出多种不同宽度的面条。
The knife tooth part is the rectangle, through adjusts two cutter surface knife's center distance, cannot replace the cutter, can cut many kinds of different widths on the noodles.
长齿刀经常被称为面包刀，因为人们在切面包时需要前后锯着切面包，长齿刀很适合这个工作。
The long serrated knife is often called a bread knife because it is particularly good for slicing breads that require a back and forth sawing motion.
设计出六种具有相同侧切刃的等耕深、等安装角圆弧母线正切面旋耕刀，并对正切刃、正切面诸参数进行了优化和选择。
Six kinds of rotary blades with same tillage depth and same mounting Angle are designed which have the circular element scoop surfaces. The parameters of the scoop surface are discussed and optimized.
再看看细节顺便检讨一下，蛋糕还是不够细腻，有大气泡；切蛋糕的时候刀有些热，切面不太好看。
The details. The cake need more soft without the big holes. The side cut need improve also.
闸板底部做成刀形斜面具有切断介质功能，而且闸板关闭时通过阀体上的锲块紧靠闸板斜切面使得闸板紧紧贴靠阀座密封面，从而起到了密封效果。
The bottom of the disc is made of knife-shaped gate with a cut off function of the medium. When gate is closed, oblique plane of gate valve encounters wedge block of gate to achieve sealing effect.
闸板底部做成刀形斜面具有切断介质功能，而且闸板关闭时通过阀体上的锲块紧靠闸板斜切面使得闸板紧紧贴靠阀座密封面，从而起到了密封效果。
The bottom of the disc is made of knife-shaped gate with a cut off function of the medium. When gate is closed, oblique plane of gate valve encounters wedge block of gate to achieve sealing effect.
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