送钻（feed）指掌握和了解钻头在孔（井）底工作情况，并保持对钻头施加适当压力，以破碎孔（井）底岩石的作业。不同类型和结构的钻机有不同的给进方式。
阐述了盘式刹车钻压优化自动送钻微机控制系统的设计思想和研制方法，给出了系统的软硬件设计方法。
Design idea and development method of a microcomputer control system for optimization WOB (weight on bit) automation bit feed of oil rig disc brake is discussed.
该系统不但可以适应盘式刹车钻压优化自动送钻的控制，而且还可适应盘式刹车恒钻压自动送钻的控制。
The design contents of the software and hardware of the system were given. The system is not only used for optimization WOB automation bit feed of the disc brake but also constant WOB.
凭海关核准的销售合同及销售清单送钻交所交易登记处复核，由钻交所开具《钻交所所内交易交割单》(一式四份)。
Sde issues "record sheet for inter - sde transactions" in quadruplicate, based on the sales contract and goods list with sde customs' stamps.
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