防水的表壳，自动上链的机芯，表面的日期窗口，带格林威志的双时区以及潜水腕表都是劳的发明。
The waterproof case, the self winding movement, the date window in the dial, the GMT two time zone watch and the diving watch are all Rolex inventions.
铅锌矿赋存于下志留统梅子垭组、中志留统双河镇组及中泥盆统大枫沟组、上泥盆统南羊山组；
The lead-zinc deposits occur in the Lower Silurian Meiziya Formation, Middle Silurian Shuanghezhen Formation, Middle Devonian Dafenggou Formation and Upper Devonian Nanyangshan Formation.
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