上刀井盐盐井固井工具。铁制，刃口加钢。由泥座子、扁铁杆、斧形刀和下刀组成。泥座子截面呈圆形，中部略收，呈腰鼓形。下刀较厚。川1北场用以割断井下捆扎木竹的麻索、划破木竹，以便更换井下木竹。
双语例句原声例句
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本公司经营自动靴面定型、采用圆柱滑轨，上刀行进动作稳定。
Adopting column sliding rail makes a steady pressing motion to reduce damage to the parts.
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上刀轮座与上压线轮座升降以气压方式控制，故在更换订单时不必切断纸板及停机。
Pneumatic system controls raising and lowering of slitting and scoring tool, and order can be easily changed during the machine running without stopping it.
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把刀留在桌子上很危险。
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Appropriately enough, he was stabbed to death in a traffic jam in Paris when his carriage gets blocked in the center of Paris, and this mad monk sticks a big knife into him.
他是在巴黎拥挤的街道上被刀捅死的,这对他的一生真是绝妙的讽刺,当时他的马车被堵在巴黎市中心,有个疯狂的修士用一把大匕首捅死了他
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