The junk basket is used by the rig crew to store an assortment of relatively small parts of the drilling rig, ranging from drill bits to crossover subs to lifting subs to spare kellys.
杂物堆放柜是井队分类堆放相对较小的钻机部件的地方，从钻头到转换短节，到提升短节到备用方钻杆等。
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The sequent wire-pulling is used in electric powered rig as it has smooth lifting system and cross wire-pulling is used in mechanical rig as balanced force relief impact force by compressed ai.