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National Pipe
 National Pipe
mech. 标准管
| Straight
 straight
gen. 一直
hydroel.st. ; 直的; 连续的
manag. 直接的; 单独的; 可靠的; 单价固定的
| Mechanical Joint
 mechanical joint
wind. 机械连接

to phrases
American National Pipe
mech. 美制标准管
national pipe
earth.sc. 〔美国〕标准管〔螺纹〕
 English thesaurus
National Pipe
therm.eng., abbr. NP
National Pipe Straight Mechanical Joint
: 52 phrases in 9 subjects
Automobiles5
Aviation14
Drilling1
Earth sciences2
General10
Mechanic engineering1
Mechanics15
Oil / petroleum1
Technology3