单词	fracturing head
释义	fracturing head 液裂井口接头
随便看	direct acting engine direct-acting engine direct acting factor direct acting finder direct-acting finder direct-acting haulage direct acting hoist direct-acting hoist direct acting instrument direct-acting instrument direct acting load direct-acting load direct-acting magnetic system direct-acting measuring apparatus direct-acting measuring instrument direct acting mutagens direct-acting overflow valve directacting pump direct acting pump direct-acting pump direct-acting reciprocating pump direct acting recorder direct-acting recorder direct acting recording instrument direct-acting recording instrument