词汇	alluvial tin deposit
释义	alluvial tin deposit 砂锡矿床
随便看	gear tooth parameter measurement gear tooth roughing cutter gear tooth rounding machine gear-tooth rounding machine Gear tooths break gear tooth shaving machine gear tooth stocking cutter gear tooth tangent micrometer gear tooth thickness vernier caliper gear tooth type clutch gear-tooth vernier gear tooth vernier caliper gear-tooth vernier caliper gear tooth vernier calipers gear tooth vernier calipers gauge gear tooth vernier calliper gear tooth vernier callipers gear tooth vernier gage gear tooth vernier gauge gear-to-pinion backlash gear towards geartrain gear train gear-train gear train assembly