蓝Luckyclover
是汽油发动的。链锯也称油锯，是以汽油机为动力的手提锯，主要用于伐木和造材，其工作原理是靠锯链上交错的L形刀片横向运动来进行剪切动作。链锯一般分为机动链锯，非机动链锯等。链锯是破拆器材的一种。
小也安安
well i kind of disagree!!!!!!!!!!!Mechanical device: The lawn cropper, the hedgerow machine, the grass cutter, buys Chinese medicine the vehicle, to buy Chinese medicine machine, the snow blower, the chain saw, the earth-boring auger, the cutter, to blow (attracts) the air blower, is built on stilts the elevator, the electric car, the lighting system, the sowing seeds equipment, sweeps the floor machine, the excavator, the tractor, spreads the earth machine, outdoors generator, engineering machinery and fitting, other garden machinery and so on; Botanical garden thing: The man-made lawn surface, the seed, each kind of plant nursery product, the work clothes, suffer injury the trees repair and maintenance thing, plant disease biological preparation, the soil wetting agent, the plant encourage the medicinal preparation, each kind of fertilizer, conservation of soil and water product, pot, trees and ornamental bush nursing product, weed killer, disinfectant, each kind of decorative lighting, each kind of leisure thing.
