常見(jiàn)例句雙語(yǔ)例句The present invention relates to a combination of a chamber and a piston, and a pump, engine, oscillation absorber and a converter containing such combination.本發(fā)明涉及一種活塞和腔室的組合以及包括該組合的泵、吸震器及促 動(dòng)器。ip.com 返回 oscillation absorber