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to phrases
check valve ball
archit.
止回阀球
check-valve ball
tech.
止回球阀
;
单向活门球
;
止回阀珠
check valve ball:
24 phrases
in 9 subjects
Automobiles
3
Aviation
1
Chemistry
1
Ecology
1
Engineering geology
1
Oil / petroleum
4
Oil processing plants
1
Plastics
1
Technology
11
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