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...
The Chief Constable's clipped tones crackled over the telephone line.电话线那头噼里啪啦地传来警察局长短促的声音。Cross could hear him speaking in low tones to Sarah.克罗斯听得到他对萨拉低声说话。Cross cleared his throat and spoke in low, polite tones.克...
那敏感的牧师怀着神经质的恐惧, 将身子一缩, 躲开了那轻飘的飞弹.The sensitive clergyman shrank, with nervous dread, from the light missile.那些风中轻飘的飞蓬,是植物界随遇而安的典型.The bitter fleabane in the wind is a typical drifting plant.可是幻想的轻飘的紫袍,免不了.But soon their ...
He would be able to flash a roll of greenbacks too some day.真的,他要在这些要人名流现在吃饭的地方吃饭.Only a few greenbacks and the two gold pieces were left now.现在只剩下少数的联邦钞票和那两个金币了.There were some loose bills in his vest pocket -- greenbac...