单词	maintenance call
释义	maintenance call 保证金维持催缴通知
随便看	stratified sampling for proportions stratified sampling method stratified sampling of water stratified samplings stratified sampling technique stratified sampling with optimum allocation stratified sand stratified scavenging stratified seam sample Stratified sea surface stratified secondary wall stratified sedimentation stratified segregation stratified selection stratified semantic model stratified set stratified sets stratified shear flow stratified simple random continuous sampling stratified simple random sampling Stratified simple random sampling design stratified simplex method stratified single-stage cluster sampling stratified slope stratified smoke