Also known as: qd.
QD has various meanings in the Engineering category. Discover the full forms, definitions, and usage contexts of QD in Engineering.
A mechanical device that may be engaged or dis engaged to attach two fluid passages. Typically, disengagement is possible by manual means. A type of connector shell that permits rapid locking and unlocking of two connector halves. A mechanical device that may be engaged or Dis-engaged to attach two fluid passages.
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