slipstick

n.

计算尺；

Slipstick...
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Adjustment of Maintaining Inductosyn Using Domestic Model Slipstick Replacing Original Devices
The Abacus and the Slipstick
STEEL - BY SLIPSTICK OR BY SLAPSTICK
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Lipstick
FREE L'OREAL EVA LONGORIA LIPSTICK Semi-Chem WORTH Pounds 7.99 FOR EVERY READER; It's Your Chance to Discover Beauty Secret of the S...