inner wall of oil well pump
返回 19 条匹配短语对
biased-valve oil well pump
偏置阀式抽油泵
electric pump oil well
电泵井
electrical heating rod+feedback viscous oil well pump
电热杆+反馈式抽稠泵
Oil Well Pump
抽油泵
油湿性毛细孔
oil well pump efficiency
油井泵效
superdeep low leakage oil well pump
超深低漏整筒抽油泵
superdeep oil well pump
超深油井抽油泵
Caldera inner wall
破火山口内壁
coatings for inner wall
内墙涂料
Container inner wall coating
食品容器内壁涂料
deposit quality of hole’s inner wall
孔内镀层质量
Glazed porcelain brick of inner wall
内墙釉面砖
inner oil seal ring
内油封环
inner wall
内壁
内墙
内孔
inner wall electroplating
管内壁电镀
inner wall of outer tube
外管内壁
inner wall of steel pipe
钢管内壁
Inner Wall tile
金属光泽釉
nano far infrared building inner wall paint
纳米远红外建筑涂料
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