In some application, a narrow groove is cut into the piston above the top ring to serve as a "heat dam" to reduce the amount of heat reaching the top ring.
在一些实际结构中，一条窄槽切入顶端活塞环的上部，其作用是充当“隔热槽”以减少达到顶端活塞环的热量。
Detach convertible -top covering from the groove in.
按从凹槽中拆卸活顶罩。
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。
Time for the third kind of closing well is so long that flange steel ring groove on the top of casing-head is heavily corroded in M4 well being situated in Tarim basin.
位于塔里木盆地的M4井，由于三类封井时间较长，造成套管头上部法兰钢圈槽严重腐蚀。
The top half of the bushing has groove on its inside channel surface to accommodate the middle 6mm bolt.
前半沟套管已在其内部通道表面，以适应中等6毫米螺栓。
The conveyer belting section for conveyer is concave groove type. Top of two sides is flat. The damper, figured project and point project or concave can be positionaled into concave groove type.
一种输送机使用的输送带，其断面形状为中凹槽型、两侧上端平型、在中凹槽型内可设置挡板、花纹样突出物、点状突出物或凹坑。
A groove portion is formed in an inner surface of the top face portion, and this groove portion makes part of the top face portion in a predetermined region less thick than the other part thereof.
凹槽部分形成在顶面部分的内表面中，并且该凹槽部分使得顶面部分的在预定区域中的部分比其它部分更薄。
In the deep footing groove maintenance construction and, the pole pressure in the soil near to the top of the ground, with the going on of the excavation process, will increase gradually.
对深基坑围护结构，靠近地表的土体，随着施工中土体开挖深度的增加和开挖范围的推进，桩体土压力是在逐渐的增加的；
Afterwards, the leverage tool (e. g. a simple rod or a screwdriver) is pushed through the opening or the groove and applied with a force to load on top of the casing of the apparatus.
然后杠杆工具(例如简单的杆或改锥)被推动通过开口或凹槽并被施力以承载在设备壳体的顶部上。
Disclosed is a novel adhesive tape cutter, including an elastic sheet. Saw teeth are arranged at the top part of the elastic sheet, and a transverse groove is also arranged on the elastic sheet.
一种新型胶带切割器，包括弹性片，所述弹性片的顶部设有锯齿，所述的弹性片上还有一横向的凹槽。
Profile of PVC condole top is empty, both sides is between honeycomb shape is enclosed sheet, has the processing molding tongue-and-groove and convex great.
PVC吊顶型材是中间为蜂巢状空洞、两边为封闭式的板材，有加工成型的企口和凸棒。
In accordance with these problems, the writer designed out up an groove leading air-current in the front top roller, in the result, the formed yarn strength increases obviously.
针对以上问题，作者设计了前皮辊导流槽，结果使成纱强力明显提高。
In accordance with these problems, the writer designed out up an groove leading air-current in the front top roller, in the result, the formed yarn strength increases obviously.
针对以上问题，作者设计了前皮辊导流槽，结果使成纱强力明显提高。
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