大口径非球面镜  large aspheric mirror

大非球面度镜面  deep off-axis aspherical mirror

大口径球阀  heavy caliber ball valve

大口径球铁管  Big-diameter ductile iron pipes; Ductile Iron Pipe with Large Diameter

500m口径球面射电望远镜  fast

平面非球面透射校正镜  plano-aspheric transmitting corrector

凸面非球面  Convex aspheric surface

[球面]大圆  accrete resources

长距离大口径PCCP输水  long-distance and super-large diameter PCCP pipeli

超大口径  ultra-large diameter

大口径  major diameter; large-diameter; Largediameter; bicarb; large-diametered bore; large diameter; Large caliber; large-calibre; large size; big caliber; Big diameter; wide bore; great size; wide-bore; Heavy-caliber; Large-aperture; high caliber; large aperture; wide aperture; largebore

大口径、长焦距平行光管  large-aperture and long-focus collimator

大口径3PE防腐  big caliber piping 3PE antisepsis

大口径KDP晶体  large-aperture KDP crystal

大口径X70弯管  large-diameter X70 bend pipes

大口径波前  Large aperture wavefront

大口径波纹管料  large diameter corrugated pipe feedstock

大口径薄壁管  thin-walled tube with large diameter; large diameter and thin-walled tube; Tube with Large Diameter and Thin Wall

大口径步兵自动武器  large caliber infantry automatic weapons