凿耕法和铧式犁翻耕法在短时间内使二氧化碳的排放增加。
Chisel and moldboard plowing increased carbon dioxide emissions for a short time.
便携式手提动力工具。手柄振动的测量。第2部分：凿锤和铆钉锤。
Hand-held portable power tools - Measurement of vibrations at the handle - Part 2: chipping hammers and riveting hammers.
认为其机制主要是：凿削式磨粒磨损和疲劳磨损。
It is concluded that the mechanisms include gouging abrasion and fatigue wear.
认为其机制主要是：凿削式磨粒磨损和疲劳磨损。
It is concluded that the mechanisms include gouging abrasion and fatigue wear.
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