... Manual Head 手动测头座 Material Standard 实物标准器 Material Standard Of Size 尺寸实物标准器 ...
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Spherical material standard of size used for acceptance test and re-verification test.
对合格判定测试用和复检测试中使用的检测球的大小标准。
To solve the problem of the variety of the main rod's size after welding to adjustable tower crane standard section, because of the difference of the material batch, a novel approach is proposed.
针对塔式起重机标准节主弦杆因材料批次不同焊接后尺寸不同的问题，提出对塔式起重机标准节主弦杆焊胎的改进方法。
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