mass per unit length meaning in English

单位长度质量

Seamless and welded steel tubes . dimensions and masses per unit length
无缝钢管和焊接钢管.尺寸及单位长度质量
Seamless and welded steel tubes - dimensions and masses per unit length
无缝和焊接钢管.尺寸和每单位长度的质量
Dimensions and masses per unit length of steel pipe for petroleum and natural gas
石油天然气输送钢管尺寸及单位长度重量
Textiles - woven fabrics - determination of mass per unit length and mass per unit area
机织物单位长度质量和单位面积质量的测定
Textiles - yarn from packages - determination of linear density mass per unit length by the skein method
纱线线密度的测定绞纱法

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