The assembly shall have top entry access points for each check assembly, screw driver slotted test cocks and require the use of no special tools for servicing.是什么意思_The assembly shall have top entry access points for each check assembly, screw driver slotted test cocks and require the use of no special tools for servicing.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句