| 释义 |
UNFBNC²³⁶²¹³⁺¹
基本例句
n.未熔化的统一标准细牙螺纹
The general effect of UNF and PC is to increase initial cracking time of cement mortars, and decrease cracking sensitivity of cement mortars.
结果表明，高效减水剂的掺入延长了水泥砂浆的初始开裂时间，从而降低了水泥砂浆的开裂敏感性。 cnki
Application in projects demonstrated that addition of a certain amount of UNF-2 high range water reducing agent in concrete project reveal apparent economic benefits.
工程应用表明，在混凝土工程中掺加一定量的 UNF-2高效减水剂具有明显的经济效益。 dictall |