漏失孔 的英文怎麼說
中文拼音 [lóushīkǒng]-
Measuring method on height of water flowing fractured zone using loses of drilling fluid
導水裂縫帶高度的鉆孔沖洗液漏失量觀測方法Closed structure of thread take up prevents oil leakage. ( traditional type has a hole at the front of the arm
密閉式天平結構，防止天平漏油的缺失（傳統式在壁部前端開孔） 。
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