And discusses the use of CUT-OFF valve on the hydrostatic bulldozer, points out adding the pressure into the controlling parameter of the diesel motor.
讨论了CUT鄄off阀在液压驱动的推土机上的使用问题，提出将压力引入发动机的控制。
2
Head gaskets are made of thin sheets of soft metal or of asbestos and metal. All cylinder, water, valve, and head-Bolt openings are cutout.