Also known as: bl., BL@
BL has various meanings in the NASA category. Discover the full forms, definitions, and usage contexts of BL in NASA.
A document that establishes the terms of contract between a shipper and a trasportation company. It serves as a document title, a contract of carriage, and a receipt for goods.
NASAThe electrical signal from a sensor when no measured variable is present. Often referred to the output at no-load condition.
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