查询词典 tack weld

The increment of weld penetration depth caused by heat sources distance is the most, which is 55%, and the effects of wire stick-out and laser defocused distance on the weld depth are also stronger.

其中，热源间距对熔深的影响最大，不同间距处的熔深增幅高达55％，焊丝干伸长和离焦量对焊接熔深也具有较强的影响。

Our factory in 2003 for the 5-16 m surface without transverse and longitudinal weld road lamp poles patent (no weld surface street light pole), has been formally put into production and widespread use in the market, the street lights bar the use of advanced processing technology, high-frequency welding through a one-time molding.

我厂于2003年申请的5至16米表面无横、纵向焊缝的道路路灯灯杆专利，现已正式投入生产并且在市场上广泛使用，该路灯灯杆采用先进的工艺加工生产，通过高频焊接一次性成型。

As the weld deep and narrow, fast cooling rate, weld porosity generated in the process may not have enough time to escape from the melting zone.

由于焊缝深而窄，冷却速度又快，焊接过程中产生的气孔不一定有足够的时间从熔化区逸出。

Welding earth wire: separate copper woven wire into three pieces, weave it again and enwind the phase respectively as well as weld it on the shielded copper band with electric iron and soldering tin; polish steel band welding area with sandcloth, and firmly weld with armored cable after wrapping up with copper wire.

2焊接地线：将铜编织线拆开分成三份，重新编织分别绕各相，用电烙铁、焊锡焊接在屏蔽铜带上；用砂布打光钢带焊接区，用铜丝绑扎后与钢铠焊牢。

With optimum magnetic intensity and frequency, the weld microstructure s were almost fine equiaxed grains and the weld shape was .

当磁感应强度和频率匹配合适时，焊缝成形良好，焊缝组织几乎为细小的等轴晶。

Furthermore, through the hardness test for weld overlay and hend test, effect of Al content in weld overlay on mechanics performances, especially ductility is investigated.

此外通过堆焊层硬度的测试和弯曲试验，对堆焊层中铝的含量对其力学性能，特别是塑性的影响作了分析。

Metallograph and SEM observation of the tensile fracture show that the crystal grain of the WTIR weld is finer and the metallurgical structure is more compact than that of the ordinary weld.

金相和拉伸断口 SEM观察表明，随焊冲击碾压焊缝区晶粒明显细化，组织更加致密，气孔、缩松等缺陷大大减少。

Cold Weld. A metallurgically inexact term generally indicating a lack of adequate weld bonding strength of the abutting edges, due to insufficient heat and/or pressure.

冷焊缝。通常由于焊接温度或挤压力不够，使焊接的两对边结合强度不足。

It is shown that the steel should be preheated before weld in order to avoid weld cool crack.

因而在实际生产中建议严格限制使用大的焊接线能量，以确保焊接热影响区的机械性能。

Based on the application of gas pressure welding in multilayer structure, the authors sum up construction experience, including selection of weld parameter, con- sideration needed in operation and test methods of weld points, and point out the direction of far- ther improvemrnt.

结合气压焊接工艺在多层框架结构上的应用，总结了施工实践中的经验，包括焊接参数的选择、操作注意事项、焊接接头的质量检验及今后在应用中需不断充实完善的新课题等。

We got alerted a couple of times while we were down south that HETs were on the way to bring us back up north because things were going to go hot again, but it was just rumors.

南下的途中我们不只一次得到警告说重型装备运输车将拉着我们重新北上，因为局势正在变得重新紧张起来，但这只是谣传。

It's the one where they find the ghost in the salt mine.

这一集是演他们在盐矿找到鬼