3) portable cutting tool
便携式切割工具
4) A variety of handheld devices,
不少便携式工具，
5) PU foaming
聚氨酯发泡
1.
The thesis briefly introduces the technique and principles of the insulating heat and reducing noise with damping glue,anti vibrating and insulating plates and polyurethane foaming plastics in modern bus manufucturing industry and also states the principles,functions,characteristcs and common equipments of the hard PU foaming technique in detail.
简要介绍阻尼胶、防振隔热垫片及聚氨酯发泡等现代客车制造中隔热降噪技术及其原理 ,重点介绍硬质 PU发泡技术的原理、作用、特性及常用施工设备。
6) foaming polycurethane
发泡聚氨酯
1.
Research on heat insulation of a dam based on foaming polycurethane
基于发泡聚氨酯对大坝保温的研究
补充资料：不少
1.多。 2.毫无。
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参考词条