roller tapperroller tappet滚柱: pin roller挺: stick out; bulge or protrude ...杆: shaft; rod; bar转柱挺杆起重机: pillar jib crane; pillarjibcrane挺杆: cam follower; cathead; crossbar; jib; piston rod; push rod; ta et; tail arm; tapper; tappet rod; transverse member下载手机词典可随时随地查词查翻译
