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- sealing for tubing joints 管道连接密封
- Inspect the seal for damage or cracks. 检查油封是否损坏或开裂。
- All-Position Welding Technology for Tube Joint With Active Flux 管道接头全位置活性焊剂焊接技术
- Inspect the area around the seal for signs of leaks. 检查油封周围的区域是否有漏油的痕迹。
- All doors and windows are sealed for the extermination of mosquito. 为了消灭蚊子，所有的门窗都被封闭起来了。
- A small disk of adhesive material used as a seal for papers. 封缄纸用于信件封口的小片粘着物
- Taper type hanger and straight type hanger are available for tubing head. 油管挂的密封形式有非金属密封(图一)金属密封(图二)种形式。
- Provide steam rings for tube side inlet and outlet flanges. 管程的入口与出口法兰配备蒸汽环。
- An inner video imaging apparatus for tubing inwall damage is developed. 根据实际检测和统计分类，将内壁损伤规则化为沟槽、孔洞和片蚀三种类型。
- Check your oven door seal for heat leakage, and replace it if necessary. 经常检查焗炉门的封口垫有否泄漏热能,如有需要应立即更换。
- The variation regularities of stress and strain of threaded tubing joints at different damaged condit... 本文研究结果对旧油管判废具有工程应用价值。
- The shoulder-mounted zipper provides a secure seal for suface swimming. 这肩位安装了拉链提供一个安全的封条给suface游泳。
- All doors and windows were sealed for the extermination of mosquitoes. 为了消灭蚊子,所有的门窗都被封闭起来了。
- Centralization for tubing is one of the important methods to prevent eccentrical rub. 对杆柱实施扶正已成为聚驱抽油机井杆管防偏磨的一种重要措施。
- Holding in vertical position, fill sight tube with water (no water leakage can be permitted at sight tube joints). 将其垂直握住,将水注入观察管内(观察管连接处不能有泄漏)。
- Rubber and plastic seals for pumps and valves. 分类标题：橡胶密封垫和密封垫料...
- The results show that rare earth sealing for anodized film is comparable to that of chromate sealing. 结果表明稀土封孔阳极氧化膜的耐蚀性与铬酸盐封闭阳极氧化膜具有可比性。
- Available with live-loading, double packing and leak-off or bellows seal for emission-free service. 可提供:带有动负载、双填料和无泄漏或适用于无污染应用领域的波纹管密封。
- James Alexander Corporation created a curved, “radius seal” for its patented, single-use plastic ampoules. 詹姆斯亚历山大公司创建了一个弯， “半径印章”的专利技术，一次性使用塑料安瓿。
- In this paper, the technique of pinch sealing for the arc tube of metal halide lamps is introduced. Advanced semi-automatic pinch sealing equipment is introduced as well. 本文介绍了金属卤化物灯电弧管压封工艺技术,同时还介绍了一种先进的半自动金属卤化物灯电弧管压封设备。
