Objective: the aim of this study was to investigate the features of discs of temporomandibular joints (TMJs), during the joint was in the closing and opening positions.
目的：探讨正常人颞颌关节开、闭口位关节盘的形态变化特点及意义。
After been used for 3-4 months, the crucible had serious crack at the joint of the bottom and side closing to the outer flame.
镁合金热室压铸机所用坩埚在使用3 ~4个月后在靠近外焰的底部和侧面结合处发生严重的变形开裂，对开裂原因进行了分析。
Characteristics of cross-joint flush valve: they are time-lapse, self-closing, beeline of water route.
四通冲洗阀特点：延时自闭、水流路径成“一”字型， 适应的水压比较多， 有手柄式、按钮式、脚踏式。
Other aspects are very important, Angle, shape, hardness, cutting edge toughness, joint precision, smooth opening and closing, handle design and surface treatment.
其他方面也非常重要：角度，形状，硬度，剪切边的韧性，接合处精密、顺畅的开合，手柄设计和表面处理。
The present invention is breakthrough existing needle knife using range, suitable for chronic soft tissue injury, hyperosteogeny and bone joint bony rigidity closing operation release.
突破了现有针刀的使用范围，适用于慢性软组织损伤、骨质增生 症、骨关节骨性强直进行闭合性手术松解。
The utility model discloses a three-jaw quick joint automatic opening and closing ball valve used for connecting a sprinkling standpipe and a sprinkler.
本实用新型是用于连接喷灌立管和喷头的一个三爪快速接头的自动开关球阀。
The math model on out-moving jaw crusher mechanism of changing length link with high-joint is established by using closing-vector-circle method.
采用封闭矢量环法推导建立含有高副的变长连杆的外动颚式破碎机构的数学模型。
Disclosed is a cover member for the operation part of a closing valve or the opening part of a branch joint of a refrigerating apparatus.
本发明涉及一种冷冻装置的闭锁阀的操作部或分支管的开口部所用的盖部件。
Disclosed is a cover member for the operation part of a closing valve or the opening part of a branch joint of a refrigerating apparatus.
本发明涉及一种冷冻装置的闭锁阀的操作部或分支管的开口部所用的盖部件。
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