作者: Bin Sai , Laurent Mauduit , Michel Delsard
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摘要: A level gauge (106) includes at least one antenna (216) configured to transmit wireless signals towards a material (104) in tank (102) and receive reflected from the tank. The also housing (108, 202, 302, 402) having an outer portion (204, 304), raised rim (208, 308) within portion, angled (206, 306) that extends between rim, concave (210, 310) rim. forms crater housing. is through of