常見(jiàn)例句雙語(yǔ)例句Low pressure seal test 4.4.1 for low pressure seal test, the sealing surface should be kept clean, no oil, no grease and seal fat, For to prevent scratches.低壓密封試驗(yàn)4.4.1 進(jìn)行低壓密封試驗(yàn)時(shí),低溫閥門(mén)密封面應(yīng)保持干凈,無(wú)油、無(wú)油脂和密封脂,如需防止擦傷。The other advantage lies in that the lubricating grease in the seal housing will not flow out when the seal unit is worn, thus the service life is prolonged effectively.本發(fā)明的另一優(yōu)點(diǎn)在于其中密封裝置磨損后,密封殼體中的潤(rùn)滑脂不會(huì)流出,從而有效地延長(zhǎng)其使用壽命。ip.comIf the grease piling up in seal cannot clear away automatically that it will result in reduction of lubricating effect, so you should guarantee the reliability of pressure oil device.如果密封間的脂堆積不能自動(dòng)清除,則會(huì)導(dǎo)致潤(rùn)滑效果下降,故應(yīng)保證壓力注油器的可靠。jmby-pump.com 返回 grease seal