铅锤 垂球 垂线铊 测锤

plummet  detail>>

垂线铊,铅锤

plumb-bob  detail>>

垂线铊

plummet  detail>>

铅锤；测锤

plumb  detail>>

铅锤，垂线

plumb  detail>>

线铊

plumb  detail>>

垂球

plum ob plumb bob plummet right sphere  detail>>

测锤

plumb bob plummet sounding lead  detail>>

铅垂线校正 用垂球测定垂直度

plumbperpendicular  detail>>

铅锤

plumb bob; plummet; plumb; bob; lead-hammer; lead ◇铅锤线 perpendicular; vertical  detail>>

垂线

(与另一条直线或平面相垂直的直线) perpendicular; vertical; [数学] vertical line; perpendicular line  detail>>

铅垂球

lead plummet  detail>>

测锤法

plummet method  detail>>

测锤结

hand lead bend swab hitch  detail>>

测锤孔

arming hole  detail>>

测锤索

plummet wire  detail>>

锤球；测锤

plumb bob  detail>>

漂测锤

drift lead  detail>>