The dimension standard is not only main symbol of tubular goods manufacturer, but also is the important base for designing pipeline, other structure and mechanical usage pipes.
焊接和无缝压延管是钢管和其他金属管的两种主要制造方法，其尺度标准既是管材制造商生产能力的主要标志，也是管道及其它结构和机械用管设计的重要依据。
Bed planting improves soil fertility and structure and helps reduce erosion, water usage, herbicide use and facilitates mechanical and manual weeding.
垄播改善了土壤肥力和结构，对减少流失、水的利用和除草剂的施用也有帮助，也方便了机械和人工除草。
Usage: used for lacquer and glue trickling of rotors of electric tool motor, starting motor, permanent magnetism motor, clutch motor etc. , enhance mechanical strength, improve motor lifetime.
用途：用于电动工具电机、起动电机、永磁电机、串激电机等转子的滴漆滴胶，增强机械强度，提高电机寿命。
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