在从交通工具内部测定开启操纵杆时，先将活塞定位，然后操纵电动释放控制按钮。
When evaluating the opening lever from inside the vehicle, position the piston to operate electrical release control button.
密闭取心工具主要由外螺纹接头、平衡活塞、限位接头、内外筒、卡箍岩心爪、定位销、密封头、及取心钻头等部件组成。
Sealing coring tools mainly consists of external threaded adapter, balance piston, limit joint, inner and outer barrel, core catcher, locating pin, sealing head and coring bit.
装置由钢套、水嘴、弹簧、定位销和活塞等组成。
The mechanism is comprised of steel sleeve, water nozzle, spring, positioning pin and piston.
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