7ŒŽ8“ú (…)
XV
^‹óF“dŽq‚ð”ò‚΂·‚à`ˆÃ‚¢`A—\”õ‚Ì‚b‚q‚s‚à‰ó‚ê‚é`
http://jun-machinery.ddo.jp/accuracy/vacuum/vac_1507_1.html