1)  dual pulley
双滑轮
2)  double pulleies unit
双滑轮组
3)  double slide
双滑道
1.
The double slide bearing is developed by the fact that the there are some defects on the bearings of top rollers with single slide.
针对SL 6 819A型单滑道细纱上罗拉轴承结构存在的缺陷和在纺纱生产实践中所带来的某些问题 ,创新开发了双滑道轴承。
4)  double slide and one falling
双滑一降
5)  double slip
双滑移
1.
The changes of hysteresis loop shape parameter VH with cyclic number N in cyclicallydeformed copper single crystals with different types of double slip orientations have been determined andsummarized systematically.
本文系统测量并总结了不同类型双滑移取向铜单晶体在循环变形中滞后回线形状参数VH随循环周次N的变化关系。
6)  double sliding surface
双滑模面
参考词条
补充资料：2,2-双氯甲基-三亚甲基-双[双(2-氯乙基)磷酸脂]
CAS：38051-10-4
分子式：C13H24Cl6O8P2
中文名称：2,2-双氯甲基-三亚甲基-双[双(2-氯乙基)磷酸脂]

英文名称：2,2- bis(chloromethyl)-trimethylene bis[bis(2-chloroethyl)phosphate]
phosphoric acid, 2,2-bis(chloromethyl)-1,3-propanediyl tetrakis(2-chloroethyl)
2,2-bis(chloromethyl)trimethylene bis(bis(2-chloroethyl)phosphate)
2,2-bis(chloromethyl)-1,3-propanediyltetrakis(2-chloroethyl)phosphate
说明：补充资料仅用于学习参考，请勿用于其它任何用途。