推土机，重建我们的防御！
Dozers, start repairing our buildings!
推土机，快点修复我们的建筑。
Large - sized crawler dozers normally have a set of claws called a ripper that is installed at the machine's rear end and can crush a hard rock.
通常大型的履带挖掘机尾后部会装有爪型的排状粗齿锯，用于碾碎石块。
The tangled remnants of an orange grove I drove past every day, tipped over and torn by military bull-dozers, has disappeared, razed for firewood.
过去我每天开车路过的一片幸存的柑橘园，已经被军用推土机推倒毁坏，成为了一堆木柴。
Importance to rationally select parameters of hydraulic drive system is emphasized. All these presents a basis for parameter design and calculation of hydraulic drive system of dozers.
讨论液压驱动系统参数选择的重要性，为全液压推土机液压驱动系统参数设计计算提供依据。
Importance to rationally select parameters of hydraulic drive system is emphasized. All these presents a basis for parameter design and calculation of hydraulic drive system of dozers.
讨论液压驱动系统参数选择的重要性，为全液压推土机液压驱动系统参数设计计算提供依据。
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