Mutexes are necessary tools for threaded programs, but they can't do everything.
互斥对象是线程程序必需的工具，但它们并非万能的。
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.
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。
To connect tools or tubulars by assembling the threaded connections incorporated at either end of every tool and tubular.
在工具和管子的两端安装带螺纹的接头将工具或管子连接起来。
During its operation, the imported universal shaft of threaded drilling tools was fractured.
两螺杆钻具挠轴在运转过程中突然断裂。
During its operation, the imported universal shaft of threaded drilling tools was fractured.
两螺杆钻具挠轴在运转过程中突然断裂。
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