您要查找的是不是：
- 阿德森椎板切除牵开器Adson's retractor for laminectomy
- 弗雷惹椎板切除牵开器Frazier's laminectomy retractor
- 瓦林单侧椎板切除术牵开器Valin's hemilaminectomy retractor
- 霍恩单侧椎板切除术牵开器Hoen's hemilaminectomy retractor
- 奈顿单侧椎板切除术牵开器Knighton's hemilaminectomy retractor
- 巴兰坦单侧椎板切除术牵开器Ballantine's hemilaminectomy retractor
- 小麦排种器wheat seeding mechanism
- 确定复杂形状平面板的应力强度因子Deter miningthe stress intensity factors of the complex plates
- 小麦播种开沟器wheat planting opener
- "把音量打小一点？" 一个舞厅老板说。 "你这不是开玩笑吗？年轻人想把音量开大到把耳朵震聋。如果我们把音量弄小，明晚他们就去别处了。""Turn the volume down?" said one disco manager. "You have to be joking. The kids want it loud enough to go right through them, and if we lowered the level, they'd go somewhere else tomorrow night."
- 马-迈二氏单侧椎板切除术牵开器Markham-Meyerding hemilaminectomy retractor
- 斯-哈二氏单侧椎板切除术牵开器Scoville-Haverfield hemilaminectomy retractor
- 斯科维尔单侧椎板切除术牵开器Scoville's hemilaminectomy retractor
