w-type reciprocating compre or ww-type reciprocating compressor w型: mould; model往复: move back and forth; recipro ...压缩机: compression engine; compress ...半圆辐射型往复压缩机: semiradial reciprocating compre or; semiradial reciprocating compressor往复压缩机: reciprocating compressor下载手机词典可随时随地查词查翻译