词汇	ball-cock assembly
释义	ball-cock assembly 浮球阀装置
随便看	commutator motor commutator motor ac commutator motor commutator motor meter commutator motor type commutator-motor type commutator motor type coulomb commutator motor type integrating meter commutator neck commutator noise commutator of singular integrals commutator operator commutator phase advancer commutator phase shifter commutator pitch commutator pitch segment commutator position pulse commutator product commutator pulse commutator radiosonde commutator raiser commutator rectifier commutator-rectifier commutator rectifiler commutator ring commutator ripple