pine resin

基本解釋

And the scent of amber pine resin fills the air.
空氣中彌漫著黃色的松木樹脂香味。
Flux contains a large number of resin, will produce phenyl (C6H5OH), while the flux activator in the pine resin will produce hydrogen gasification (HCL) and other compounds.
焊劑所包含的大量樹脂，也會產(chǎn)生苯基（C6H5OH），而焊劑中松樹脂的活化劑也會產(chǎn)生氣化氫（HCL）及其他化合物。
ICRAF is trying to encourage policymakers and communities who continue to plant evergreen trees — as sources of pine resin or pulp for paper production, for example — to change their practices.
ICRAF正在嘗試鼓勵決策者和繼續(xù)種植常綠樹木的社區(qū)改變它們所種植的樹木，盡管這些常綠樹木是松脂或者造紙用紙漿的來源。