flange blocks 什么意思

flange blocks 什么意思 flange float 什么意思 什么意思blocks EXPLOSIVE BLOCKS ARE DELICATE什么意思 Threading Building Blocks中文意思是什么,有什么用啊? blocks of 啥意思 professional flange accessories中文意思 ASME B16.5 BLIND FLANGE RF 600Lbs 每个字母都代表什么意思 blocks of ice啥意思 ABC BLOCKS什么意思用翻译器的就别JB说了 我自己会查 孔板流量计中的TAP什么意思啊?!在孔板流量计的数据表中记录如下：TYPE OF TAP: FLANGE TAP; TAP SIZE: 1/2ANSI150#RF FLANGE; 其中的TAP是什么意思 啊?指取压装置吗? block和blocks中文意思分别是什么 关于法兰的规格：8 #150 class Weld-neck Flange With Sch 40 bore. SS 304 Grade.这些指标具体什么意思 Trading blocks是什么意思?RT...不明白什么意思!差字典无解!原句：Trading blocks often espouse free trade between members but operate protective policies against third party states, i.e. the EU or NAFTA. vent flange spool flange , there is a bookstore two blocks the ——school横线填什么?意思是：离学校两个街区有一家书店. i had to drive two blocks before i spotted a place to park the car这句什么意思为什么 had 后面要加 to? 什么时候能不加