单词	plain piston ring
释义	plain piston ring 平活塞环
随便看	insufficiently insufficiently burnt insufficiently packed cargo insufficiently packed for ocean voyage insufficiently prepaid insufficient memory insufficient neutralization insufficient opportunity insufficient or excess reinforcement of weld insufficient orientation insufficient oxygenation insufficient packing insufficient power insufficient prepaid insufficient prestation insufficient privileges insufficient quantity insufficient quorum insufficient reason rule insufficient section insufficient sleep insufficient space insufficient tanning insufficient throat insufficient to cjmr cjmx cjnh cjpg cjpl cjqb cjqh cjql cjrg cjrh 谨叩谨启谨守谨小慎微谨愿谨慎谨言慎行谨记谨防谨饬