The problem was one of liquefaction of the sandy soil.问题是沙质土壤的液化作用.It must be cooled to its liquefaction temperature.它必须冷却到其液化温度.Of the 13 patients with liquefaction necrosis, 11 had malignant disease.病变内部出现液化坏死13例, 其中恶性...
B 311 lithopone: white paint, zinc sulfide content of 30 %.B311立德粉: 白色颜料, 硫化锌含量为30%.Lithopone: B 301 lithopone: white paint, zinc sulfide content of 28 percent.立德粉: B301立德粉: 白色颜料 、 硫化锌含量为28%.Purpose: Mainly used in litho...
'聚'.''氨脂一种氨基甲酸中除''.'乙基'.''酯以外的酯.Any of several esters, other than the ethyl ester, of carbamic acid.适合各种聚氨脂 ( PU ) 发泡成型产品.Suitable for all kinds of polyurethane ( PU ) fo...