词汇	pysma
释义	pysma 🌏皮斯玛
随便看	Leveraley lever amplification lever analogy lever and gear type micrometer lever and periosteal detacher,bone lever-and-screw coupling lever and weight safety valve Leverano lever apparatus lever-arch lever arch file Lever Arch Files lever arm lever arm effect lever-arm effect lever arm of machine lever arm of stability lever arm principle lever arm recording flowmeter lever-arm recording flowmeter lever arm relation lever arm rule leverages leverage value leveraging