A metallic bellows is made from a thin seamless tube.
金属波纹管是由薄壁无缝管制成的。
Can be customized and seamless steel tubes of various tube.
可以定做各种管坯及无缝钢管。
No quality round bloom, no quality seamless steel tube.
优质的圆管坯是生产高质量无缝钢管的前提。
Seamless steel tube analysts said.
无缝钢管分析师说。
This standard applies to rigid structure, average project construction to use seamless steel tube.
本标准适用于机械结构、一般工程结构用无缝钢管。
All sorts of seamless steel tube production and the highest are over.
各种无缝钢管产销量均创历年来的同期最高。
Senior seamless steel tube expert analysis says, each policy every coin has two sides.
资深无缝钢管专家分析说，每种政策都有两面性。
Senior seamless steel tube expert analysis says, each policy every coin has two sides.
资深无缝钢管专家分析说，每种政策都有两面性。
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