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1·The gap in the top ring groove had exceeded the requirement.

第一道环槽的天地间隙超过了请求。

2·The laser heat treatment process and mechanism on the surface of piston ring groove were studied.

对活塞环槽表面的激光热处理工艺与机理进行了试验研究。

3·The piston rings carried in the ring groove are of two basic types: compression rings and oil-control ring.

安装在环槽中的活塞环有两种类型：压缩环和机油环。

4·Application of argon arc local strengthen can increase hardness and high-temperature wear resistance of the ring groove.

采用氩弧局部强化可提高环槽的硬度和高温耐磨性。

5·Two groove of the inner ring and outer ring groove for the ball between the form of a drum, equipped with roller bearings.

二条滚道的内圈和滚道为球面的外圈之间，装配有鼓形滚子的轴承。

6·The ceramic treatment for the first ring groove of ZL108aluminum alloy piston was conducted with micro-arc oxidation technique.

利用微弧氧化技术对ZL 108铝合金活塞第一道环槽进行了陶瓷化处理。

7·The periphery of the male buckle is provided with an installing ring groove, and one end of the male buckle is provided with the bulge.

它由公扣和母扣组成，公扣的外周设有安装环槽，公扣的一端设有凸出部；

8·The testing results show that these VCSELs operate with good performance, light output power is 1.34 times as much as that with ring groove.

测试结果表明这种新结构器件不仅表现了良好的工作特性，而且输出功率也提高到环形沟槽结构的1.34倍。

9·Upper and lower piston rings are arranged inside a piston gaseous ring groove, and openings on the two-piece piston rings are mutually staggered.

在一个活塞气环槽内设有上下二片活塞环，二片活塞环上的开口相互错开。

10·Outer ring groove of curvature of the center and bearing center consistent, so with automatic self-aligning ball bearing the same tone heart function.

外圈滚道面的曲率中心与轴承中心一致，所以具有与自动调心球轴承同样的调心功能。