Threaded plug-in sound test pipe

The utility model discloses a threaded plug-in sound test pipe which comprises a bottom pipe, a middle pipe and a top pipe, wherein the bottom pipe and the top pipe are sleeved in two ports of the middle pipe. The sound test pipe is characterized in that the bottom of the bottom pipe is sealed by el...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	SHEN SHILAI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS SOIL SHIFTING TESTING UNDERGROUND OR UNDERWATER STRUCTURES
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