雨水冲走了火山坡面上的岩屑。Rainfall had dislodged debris from the slopes of the volcano.积雪的急剧融化使大滑坡中的岩屑饱和.Rapid melting of the snow saturated debris in a large landslide.翻腾的岩屑到达相对顺直的河道壁的地段.The churning debris reached a relatively str...
用量及硫化条件和4010NA类防老剂相同,一般为二份.Dosage and vulcanization condition is the same as 4010 NA antiager.采用(WSLMB)的复合防老剂防老化效果较好.The combination of the phenolic antioxidants WSL and MB have better effects against the aging.讨论了防老剂的品种...