ball mill with double-inlet and double outlet  双进双出钢球磨煤机

COAL PULVERIZER WITH DOUBLE INLET AND DOUBLE OUTLET  双进双出磨煤机

Coupled-cluster single-and double-linear response  单双激发耦合簇线性回应理论

Coupled-cluster single-and double-linear response theory (CCSD-LRT)  单双激发耦合簇线性响应理论(CCSD-LRT)

double and circular linked list  双向循环链表

double and compact cold-rolling mill  双机架可逆式冷轧机

double and hybrid distribution channels  双重混合分销渠道

double and made fast  带双缆绑牢

double and transfer bus bar  双母带旁路

double and twist denim  双色纬纱粗斜纹布

double busbar voltage switch circuit  双母线电压切换回路

Double Chambers and Double Layers  双室双层

double column and double FID  双柱双检测器

Double columns and double FIDs  双柱双检测器

Double Connecting Rods and Double Crankshafts  双连杆双曲轴

double double iron  八叠板

double engine and double oar  双机双桨

double entry and double exit  双进双出

Double Inlet and Double Outlet Coal Mill  双进双出磨煤机