The characteristics and processing technology of self-developed rectangular wire and its bead are described.
介绍自主开发的胎圈用矩形钢丝及矩形钢丝钢丝圈的特点和制造工艺。
It mainly introduces a new joint technology of self-tapping screw, insert joint after injection molding, snap joint, etc.
重点介绍了自攻螺钉连接、模塑后嵌入的嵌件连接，卡入连接等较新的连接技术。
The factors of explants, hormone combination and concentration and plant mode were investigated on tissue rapid reproduction technology of self-incompatible line in headed cabbage.
对结球甘蓝自交不亲和系进行快繁，以探讨不同外植体、激素配比及浓度、定植方式等因素对结球甘蓝不定芽、不定根发生能力等的影响。
The factors of explants, hormone combination and concentration and plant mode were investigated on tissue rapid reproduction technology of self-incompatible line in headed cabbage.
对结球甘蓝自交不亲和系进行快繁，以探讨不同外植体、激素配比及浓度、定植方式等因素对结球甘蓝不定芽、不定根发生能力等的影响。
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