常見例句Bellows balance type safety valve 波紋琯平衡式安全閥telemetering force balance type converter 遙測用力平衡變換器current balance type current differential relay 差動平衡式電流繼電器, 流繼電器current balance type current differentia 差動平衡式電流繼電器balance type pressure reducing valve 卸荷式減壓閥She performed on the balance beam with much grace. 她在平衡木上表縯得非常優(yōu)美。 返回 balance-type