醇酸水砂纸清漆
alkyd varnish for water sand paper
半水清洗工艺
Semi-aqueous cleaning process
semi-aqueous process
单级双动式离心清水泵
single-stage double-acting centrifugal fresh water pump
单级自吸式离心清水泵
single-stage self-priming centrifugal fresh water pump
单级自吸悬臂式离心清水泵
single-stage self-priming overhang type centifugal fresh water pump
吊链连续抛丸落砂清理机
chain continuous sling shot blasting shakeout machine
仿清水混凝土板材
imitation fair-faced concrete board