即使脚步下是一片岩石，它也会迸发出火花，只要你拿起铁锤钢钎。
Even pace is a piece of rock, it would burst out sparks, as long as you pick up the hammer drill steel.
提出不锈钢钎焊时被预热和被钎焊的母材都不允许焊接区呈红色和亮黄色的新观点。
A idea is put forward that the soldered areas of both the parent material preheated and that soldered are not allowed to be red or bright yellow when stainless steel parts are.
主营产品有球墨井盖、复合树脂井盖、钢钎水泥井盖、镀锌钢格板、合金高分子井盖、球墨铸铁井盖、铸铁井盖、花栏、铸铁管等。
Main products include ductile manhole covers, composite resin covers, drill rod cement covers, galvanized steel grating, polymer alloy covers, cast iron manhole covers, flower bar, cast iron pipe.
主营产品有球墨井盖、复合树脂井盖、钢钎水泥井盖、镀锌钢格板、合金高分子井盖、球墨铸铁井盖、铸铁井盖、花栏、铸铁管等。
Main products include ductile manhole covers, composite resin covers, drill rod cement covers, galvanized steel grating, polymer alloy covers, cast iron manhole covers, flower bar, cast iron pipe.
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