A portable drill or an electric chainsaw could save Labour, and make light of roughing out big boards.
便携钻机或是电动链锯能够节省体力，并使大块木板的粗加工化繁为简。
机器节省劳力。
机器能节省劳力。
Mechanical devices, including tractors and implements, used in farming to save Labour.
用于农业耕作中以节省劳力的机械设备，包括牵引机和农具。
Thus, it would improve the quality of constructions, save Labour and curing cost, and shorten construction period.
从而提高混凝土建、构筑物质量，节约人工和养护成本，缩短施工周期。
Hydraulic drive cover device, crushing cavity internal parts to overhaul the save Labour failure safety, convenient and quick.
液压开盖装置，使破碎腔内部件检修拆换方便快捷，省时省力。
Hydraulic drive cover device, crushing cavity internal parts to overhaul the save Labour failure safety, convenient and quick.
液压开盖装置，使破碎腔内部件检修拆换方便快捷，省时省力。
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