flexible magnetic disk machine 软磁盘机
Cloxacillin double-disk synergy test 氯唑西林双纸片协同试验
Double disc 双闸板
double disc confirmatory test 双纸片确证法
double disc drill colter 双圆盘条播开沟器
Double Disc Flat Gate Valves 双闸板平板闸阀
double disc friction screw press 双圆盘摩擦压力机
double disc gate valve 双圆板闸阀
double disc parallel seat 平行双闸板
double disc ratchet mechanism 双盘式棘轮机构
double disc slide valve 双动滑阀
double disc wheel 双盘形齿轮
double disk friction press 双盘摩擦压力机
double disk friction screw press 双盘摩擦压力机
double disk harrow 双圆盘耙路机
double disk lapping machine 双盘研磨机
double disk lapping machine for indexable carbide insert 可转位插刀双端面研磨机
Double Disk Milling Cutter 双盘铣刀
double disk opener 双片式离合器