The hot dipping alumetizing technology for 20G seamless steel tube was studied.

对20G钢的热浸渗铝工艺进行了研究和试验。

Seamless sheath of ether-based urethane resistant to cathodic, hydraulic and other environmental conditions.

铠装乙醚基氨基甲酸乙酯。耐阴极、液压和其它环境条件。

Abstract: The hot dipping alumetizing technology for 20G seamless steel tube was studied.

对20G钢的热浸渗铝工艺进行了研究和试验。

3 Air cooler and oil cooler shall be made of red copper, albata seamless tube or other corrosion prevention tubing.

3空气冷却器和油冷却器应采紫铜、铜镍合金的或其他防锈蚀的材。

Though not the first such roadable plane with folding wings, Terrafugia claims its Transition is the only one capable of a seamless transition from road to air and back again.

虽然不是第一架可以在公路上行驶的可折叠翼飞机，特拉弗吉亚表示他们的陆空两机是唯一一种可以做到在陆空之间做到连续切换的飞机。