如设计工作委外时，工程技术部须提供相应的技术指导。
If outside organizations are entrusted to design, engineering department must supply relevant technical instructions.
为工程技术人员掌握缠绕原理及工艺过程提供良好的演示效果。
Supply good effect for technical personnel master principle and technological process of winding.
为工程技术人员掌握缠绕原理及工艺过程提供良好的演示效果。
Supply good effect for technical personnel master principle and technological process of winding.
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