词汇	looping pipe
释义	looping pipe 管式围盘,环管
随便看	alternation of generations alternation of generations, metagenesis alternation of heart alternation of host alternation of hosts alternation of intestinal flora alternation of load alternation of melting points alternation of multiplicities alternation of multiplicities law alternation of multiplicity law alternation of nuclear phase alternation of nuclear phases alternation of nucleus alternation of periodical alternation of personality alternation of project alternation of rocks alternation of sand and mud alternation of seasons alternation of signs Alternation of slope and terrace alternation of slops and terrace alternation of strata alternation of studies