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- Pull the servo extension cord out of the middle hole above the wing, for later use. 舵机延长线从机翼上面中部的孔中用预留的线绳拉出备用。
- The secondary windings and iron core are insulated by epoxy resin.The middle hole is used for busbar going through. 二次绕组及铁芯均浇注在聚脂树脂内，中间窗孔供一次母线穿过。
- Being installed make the product dimidiation, then make it coalition used bolt.The middle hole is used for busbar going through. 安装时可将互感器分为两半，中间窗孔供一次母线穿过，然后用螺栓拧紧。
- The current transformer is busbar type. The secondary windings and iron core are insulated by epoxy resin. The middle hole is used for busbar going through and mounting. 本型电流互感器为母线式。二次绕组及铁芯均浇注在聚脂树脂内,中间窗孔供一次母线穿过及安装用。
- The zero sequence current transformer is full enclosed type. The secondary windings and iron core are insulated by epoxy resin. The middle hole is used for cable going through. 本型零序电流互感器为全封闭式。二次绕组及铁芯均浇注在聚脂树脂内。中间窗孔供三相电缆穿过。
- The current transformer is busbar type.The secondary windings and iron core are enclosed in a plastic crust.The middle hole is used for busbar going through and mounting. 本型电流互感器为全封闭母线式结构，二次绕组及铁芯均浇注在环氧树脂内，耐污染及潮湿。
- The current transformer is busbar type. The secondary windings and iron core are enclosed in a plastic crust. The middle hole is used for busbar going through and mounting. 本型电流互感器为母线式。二次绕组及铁芯均封装在阻燃塑料壳内,中间窗孔供一次母线穿过及安装用。
- The failure mechanism of middle hole cores of H13 steel was analysed in thes paper.The influence of ion nitriding,gas nitrocarburizing and plasma spraying on their life was also researched. 分析了H13钢分流锥的失效机理，研究了离子渗氮、气体氮碳共渗及常压等离子喷涂等对其使用寿命的影响。
- I'm sick of being piggy in the middle all the time. 我腻烦了总是夹在争吵双方的中间。
- He planted roses in the middle of the garden. 他在花园中间种上玫瑰。
- He admires the chivalry of knights in Middle Ages. 他很佩服中世纪武士的侠义精神。
- It has its roots deep in the Middle Ages. 它起源于遥远的中世纪。
- My wheel twisted off in the middle of the car race. 我的车轮子在汽车比赛中途脱掉了。
- We have studied botany in our middle school. 我们在中学的时候就学过植物学。
- There are 300 students or so in this middle school. 这所中学大约有300个学生。
- He was appointed the rector of the middle school. 他被任命为那所中学的校长。
- She has dropped out in the middle of the race. 她中途退出比赛。
- We've learned algebra in middle school. 我在中学就学过代数学。
- There was a big hole in the middle of the street. 街道中央有个大洞。
- He broke off in the middle of a sentence. 他一句话只说了一半就停住了。
