... 光测悬锤 optical plummet ; optical ; plummet 测锤索 hand lead line ; lead line 测锤法 plummet method ...
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... 出油管;从井口至计量罐的管线;从井口至集油罐的管线;测绳;井下器具起下钢绳 lead line 铅衬 lead lining 环烷酸铅 lead naphthenate ...
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hand lead line 测锤索 ; 水砣绳 ; 测深绳
deep-sea lead line 深水测深索 ; 深水测深绳
deep sea lead line 深海测深绳
lead line mark 水砣绳标记
lead line correction 测锤绳改正
sea lead line 深水测深索
deepsea lead line 深水测深索
Lead Line Rd 地址
N a length of line for swinging a lead, marked at various points to indicate multiples of fathoms 探测索 [nautical]
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