少妇人妻互换不带套,忘记穿内裤被同桌摸到高潮app,亚洲色精品aⅴ一区区三区,国产亚洲精品久久久久久久久久久动漫

Mechanical?
PRODUCT CATEGORIES
Automatic Reciprocating Scrape Tester WFG-I (flat wire)
  • Description
  • Video

    1) Function: For detecting scrape resistance performance of flat wire on the wide edge, narrow side and plane;

    2) Comply with the latest IEC, GB, JIS and NEMA standards;

    3) Counter range: 0~999;

    4) Sensitivity: 0.1~ 2mA;

    5) Test voltage: DC9V± 0.5V;

    6) Number of reciprocating: 60 ± 1 times /min;

    7) Reciprocating stroke: 11±1mm.