焊的

Because of having surplus weld reinforcement height and irregular seam form as well as the influences of polyethylene raw materials and coating process, the quality problems of ununiformity in thickness of 3PE coating and coating thickness reduction on helical seam occur.

由于螺旋埋弧焊管存在焊缝余高超高和焊缝形貌不规整等现象，加之聚乙烯原材料及涂敷工艺等因素的影响，会使三层PE防腐涂层出现涂层厚度不均、焊缝处涂层减薄等质量问题。

There is one other exception to the general rule that 2XXX and 7XXX alloys are unweldable.

还有另一个通用规律（2XXX和7XXX合金不可焊）的例外。

To determine where that position is, load and clamp unwelded parts into the machine.

在合适的位置，装入并夹紧待焊部件。

They are of moderate strength, have good corrosion resistance, and are readily weldable.

它们有中等强度，良好的耐腐蚀性，可焊。

Material even, which are described as "weldable" in standards andmanufacturers' catalogues , require particular processes.

中或制造厂产品目录中被列入&我焊&一类，动他我也我要我特殊的方法予我焊接。

For exploiting international rolled steel market farther, the weldable high strength reinforced bar were developed according to Canada standard.

为进一步开发国际钢材市场，研制开发了符合加拿大可焊性高强度钢筋标准要求的高强度钢筋。

Weldable alloys have a composition that falls either well above or well below the maximum cracking sensitivity.

在所有可焊合金中，有某些合金的裂纹灵敏度远远低于极限裂纹灵敏度。

The old method of solder ing metal sheets together has now been largely replaced by welted joints, which are made by a special efficient mechanical device.

搭接贴角焊接金属薄板的老方法，现今已基本上为对接坡口焊所取代。

Mini-hole heat dissipation flame-out device ensures flame out. In tempering process gas check valve instantly cuts off gas supply i

产品名称：焊割炬用气体回火防止器，微孔散热型火焰熄灭装置确保火焰熄灭气体单向阀在回火过程自动将气体源瞬间切断具有自动复位功能可直接连接作业连接在割炬的进气口上使用。

In the pipe must be cleared up before the installation and operation of

安装操作前一定要将管道内的焊渣等清洗干净！

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。