管件用管  pipe for fittings

两根或多管管件  jump-over

输水管管件  water conveying pressure pipe

元器件选用控制  control upon using components

选用选择号码  option select number

5Cr套管用钢  5Cr casing steel

CAD文件管理  CAD file management

EV事件管理模块  EV module

Nautilus文件管理器  nautilus

PS管件  PS pipe fitting

PVC-U给水管材/管件  PVC-U Water-supply Pipe

PVC-U管件  PVC-U pipe fitting

T型管件  T fitting

UPVC管件  UPVC pipes

X80钢管件  X80 grade fittings

阿内耳氏探子[检泪点和泪管用]  Anel‘s probe

安全信用管理  safety trust management

半导体发光二极管用荧光粉  phosphor for light emitting diode

报废管件  discarded pipe