原级:caulk
现在分词:caulking
过去分词:caulked
911查询·英语单词
过去式:caulked
1. The main usage of IIR covers the industries for tyre innerliners, innertubes, sulfurized capsules, and medical use bottle block, electrical insulation, caulks and membranes etc. 用途 丁基橡膠主要適用於輪胎內襯及內胎、硫化膠囊、醫用瓶塞、電絕緣材料、密封材料、電纜頭薄膜等行業。