常見(jiàn)例句雙語(yǔ)例句First thing you want to do is drill a pilot hole in the right location.第一件事，你想要做的就是鑽一個(gè)先導(dǎo)孔在正確的位置。Each models with a standard-size tabletop fitted with T slots and a precision center pilot hole for alignment and clamping of the fixture or piece parts.用一個(gè)標(biāo)準(zhǔn)尺寸的桌麪安裝與T插槽和一個(gè)中心對(duì)準(zhǔn)精度先導(dǎo)孔和夾具或夾緊件件每個(gè)型號(hào)。When the coil power, the pilot valve by the spring return, pilot hole closed throttle valve chamber pressurized by the piston return spring and thrust, the electromagnetic valve is closed.儅線圈斷電時(shí)，先導(dǎo)閥芯靠彈簧複位，先導(dǎo)孔關(guān)閉，閥腔由活塞節(jié)流孔增壓和複位彈簧的推力，電磁閥關(guān)閉。www.china-heating.com 返回 pilot hole