注音 xián jié ㄒㄧㄢˊ ㄐㄧㄝ ˊ 弦节 解释 琴瑟的节拍。 晋 张华 《王公上寿酒食举乐歌诗表》:“盖以依咏弦节,本有因循,而识乐知音,足以制声,度曲法用,率非凡近所能改。”
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。
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.
采用标准节主弦杆焊胎可调措施,保证焊后尺寸。
端面有间隙、带凸台对接外形是指在标准节上部主弦杆上焊有定位凸台,定位凸台伸人另一标准节主弦杆内,上、下套管之间留有一定间隙配合定位。
End face with a gap, no boss butt is refers to the upper and lower casing left a certain gap between the upper and lower main chord rod end face at the same time contact.
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