Note: if you choose this paper, check out the class website, which has links to materials surrounding Oregon v. Ashcroft.
注意：如果你选择这篇论文，检查课程网站，那里有关于俄勒冈州诉Ashcroft的材料链接。
On-off valve shall be pneumatic ball valve, and the leakage class is V or VI. All the valve accessories such as limit switches, solenoid valves and filter regulators shall be supplied with the valves.
切断阀采用气动球阀，泄漏等级为V或VI级，限位开关、电磁阀、空气过滤减压阀等应随阀成套供货。
Objective To evaluate the variation in vitro microleakage of wedge-shaped class V restorations filled with flowable composites and compomer and GIC.
目的研究可流动复合树脂充填楔状缺损离体牙模型的边缘微渗漏情况。
Objective To examine the effect of total-etch and self-etch adhesives on the bonding interface of class V non-carious lesions.
目的 比较全酸蚀和自酸蚀黏结系统对牙颈部楔状缺损形成的黏结界面超微结构的影响。
Objective To examine the effect of total-etch and self-etch adhesives on the bonding interface of class V non-carious lesions.
目的 比较全酸蚀和自酸蚀黏结系统对牙颈部楔状缺损形成的黏结界面超微结构的影响。
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