英语词汇“proctor penetration needle”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	proctor penetration needle
释义	Proctor penetration needle Proctor penetration needle A needle, 0.05 to 1 sq in. (0.32 to 6.45 sq cm) in area, used with a spring balance, to measure the resistance of fine-grained soil to penetration.
随便看	ssaz s&sb ssb ssb2 ssb4 ssba ssbaf ssbag ssbaif ssbam ss-band ssbb ssbbw ssbc ssbcj ssbd ssbe ssbec ssbef ssb-eom ssbf ssbff ssbg ssbga ssbh

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Proctor penetration needle